if crossing over did not occur, which of the following statements about meiosis would be true? select all that apply.

Answers

Answer 1

The four daughter cells produced in meiosis II.

define meiosis ?

Meiosis is a reductional division, and its name is derived from the Ancient Greek word mesis, which means "lessening." [1] In sexually reproducing animals, [2] is a specific form of cell division of germ cells that results in the gametes, such as sperm or egg cells. It comprises two rounds of division, producing four cells with just one copy of each chromosome as a final product (haploid). Additionally, each chromosome undergoes genetic material cross-pollination between the paternal and maternal copies before division, resulting in novel combinations of the genetic code on each chromosome. [3] Later, when a male and a female go through meiosis, the haploid cells they generate unite to form the zygote, another cell with two copies of each chromosome.

Meiotic mistakes that cause aneuploidy (an abnormal number of chromosomes)

To learn more about Meiosis  follow the given link: https://brainly.com/question/12307019

#SPJ4


Related Questions

true or false: cardiac muscle has sr, but less sr than skeletal muscle.

Answers

Answer:

True.

Explanation:

True, cardiac muscle has sr, but less sr than skeletal muscle.

Hope this helps!

What is the human female reproductive system is adapted for? A. Production of zygotes in ovaries B. External fertilization of gametes C. Production of milk for a developing embryo D. Transport of oxygen through a placenta to a fetus

Answers

D. Transport of oxygen through a placenta to a fetus

micro how is it that we are not in a state of continuous infection from the microbes we encounter every day?

Answers

We are not in a state of continuous infection from microbes we encounter every day as : the immune system provides an overlapping network of host defenses.

What is meant by immune system?

The immune system protects your body from outside invaders that may include germs such as bacteria, viruses, and fungi, and toxins (chemicals made by microbes). A healthy immune system protects by creating a barrier that stops those invaders or antigens  from entering the body.

The immune system's job is to defend against disease-causing microorganisms and it's goal is to keep us healthy. The immune system is a vast and complex interconnected network of different organs, cells and proteins that work together to protect the body from illness.

To know more about immune system, refer

https://brainly.com/question/6612564

#SPJ4

Describe a situation in which an area with a high diversity index is healthier than an area with a low diversity index.

(a) Describe how an organism reproduces by budding.

(b) State one advantage of this type of Reproduction.

Give an example of a generalist that lives in Canada. Explain why this species is able to have a broad niche.

Give an example of a behavioural adaptation and an example of a structural adaptation. How is each adaptation suited for a specific niche?

Answers

A  situation in which an area with a high diversity index is healthier than an area with a low diversity index is an ecological niche filled with tall trees that has high richness in nutrients and also evenness in growth while  another ecological niche filled with the same trees that has only few species that has low richness and and low evenness.

How does  organism reproduces by budding?

An asexual method of making new organisms is budding. A new organism is created in this procedure from a tiny fragment of the parent organism. A newly created bud separates to grow into a new organism. As it continues to develop, the freshly formed organism is still attached.

The benefits of sexual reproduction include the offspring's genetic diversity. The species has a survival advantage because of its ability to adapt to new surroundings. A illness has a lower likelihood of affecting the entire population.

The Canada lynx (Lynx canadensis), which feeds on snowshoe hare, is an illustration of a carnivorous specialist.

An organism has a wide niche if it has adapted to a wide variety of environmental conditions in order to survive. The creature can exist in a variety of diverse situations based on its extensive range of adaptations and survival abilities.

Examples of structural adaptations include an organism's physical traits, such the bill of a bird or the fur of a bear. The remainder consists of behavioral modifications. Behavioral adaptations are used by organisms to help them survive. Calls and migration are two examples of behavioral adaptations in birds.

Because natural selection is the process that leads to this, the adaptation is suitable for a certain niche. A species' nature gradually changes as a result of natural selection in order for it to fit into the niche. If a species becomes extraordinarily well adapted to its habitat and the environment does not change, it can survive for a very long time before going extinct.

Learn more about diversity index  from

https://brainly.com/question/1542287
#SPJ1

any language
PLZ I will mark you brainlist ​

any language PLZ I will mark you brainlist

Answers

It is letter because it is

Answer:

Symbol

Explanation:

Researchers propose a model to explain variation in phytoplankton cell sizes in a marine
environment. They base their model on the idea that smaller cells absorb nutrients more
efficiently. The researchers predict that the mean diameter of phytoplankton cells will
change by 50 micrometers for every 5-kilometer increase in distance from the shore
because of a gradual decrease in nutrient availability. To test their model, the researchers
determine that the phytoplankton cells found closest to shore have a mean diameter of
900 micrometers.
Based on the model, what will be the mean diameter of the phytoplankton cells that are
found 25 kilometers from shore?

Answers

Answer:

650 micrometers

Explanation:

Pls help thank you will mark the Brainliest

Pls help thank you will mark the Brainliest

Answers

The arrangement of circles that best illustrates the relationship between the genus and species of Canis familiaris, the domestic dog is option 1.

What is the relationship between genus and species?

In biology, the relationship between genus and species is hierarchical.

A genus is a taxonomic rank used to classify organisms that share a common ancestor and possess similar characteristics.

A species, on the other hand, is the basic unit of classification and is defined as a group of organisms that are capable of interbreeding and producing viable offspring.

In the given diagram, the circles labeled Canis represent all members of the genus Canis, and the circles labeled familiaris represent all members of the species familiaris. Hence, the species is a subset of the genus.

Learn more about genus and species at: https://brainly.com/question/1036846

#SPJ1

How can having more species make an
ecosystem more sustainable?

Answers

Answer:

Biodiversity will increase which will make the ecosystem more immune towards diseases and changes in weather.

Explanation:

Example: If u have 1 type of fish in a lake and suddenly the water became salty for some reason, that kind of fish may not survive and if it doesn't there will be no life left in the lake, but if there were multiple types of fish and other animals then some of them would be able to survive and adapt on the change in environment. Hope I helped!

25 points PLEASE HELP I NEED TO ANSWER THIS NOW ​

25 points PLEASE HELP I NEED TO ANSWER THIS NOW

Answers

Answer:

Wouldn't it be the lower one because It has less to heat up and the other one takes longer because it has more to heat.

Explanation:

pls mark brainliest

the correct answer is the right one

Why isn't medical and chemical waste placed in landfills ? A. It would contaminate the land and water with dangerous poisons B. It would cause the landfills to fill up too quickly C. It would prevent refuse from breaking down over time D. It would contribute to global climate change

Answers

Answer:

A. It would contaminate the land and water with dangerous poisons

Explanation:

Putting medical and chemical waste into landfills has extremely dangerous consequences to the environment and public health.

If they were put into landfills, these toxic wastes would leech into the soil and groundwater below them.

These toxins can accumulate over time, and harm plants and animals.

Humans may also absorb these toxic chemicals.

So, the correct answer is A. It would contaminate the land and water with dangerous poisons

Answer:

A

Explanation:

The water and land will become contaminated which will harm or endanger all the living organisms and us humans around it. Because they use the water and land source.

The Big Bang Theory is an example of which kind of theory of creation of the
universe?
Expansion
Steady State
Unchanging
Moving

Answers

Expansion is the correct answer
The answer is expansion

In a savanna, gazelles, wildebeests, and warthogs eat grasses. Lions and cheetahs eat
gazelles and wildebeests. Lions and wild dogs eat warthogs.

Draw an energy pyramid to reflect the organisms and amount of energy at each
trophic level. (I point)


ANSWERR ASAPPPPP PLISS

Answers

The producers are the grasses. Primary consumers include wildebeests, warthogs, and gazelles. The secondary consumers would be cheetahs and lions.

A food web: what is it?

A food web is a graphical representation of the natural interconnection of food chains and the issue of what consumes what in an ecological community. A alternate name for the "food web" is "consumer-resource system."

At the bottom of the food chain, where they play a natural producer function, plants offer both food and nutrients to their consumers. Animals classified as herbivores obtain their food from both plants and insects.  Animals classified as predators hunt herbivores or other predators to obtain food.  The animals that break down dead animals after they have died are called scavengers and decomposers.

To know more about gazelles visit:

https://brainly.com/question/12156150

#SPJ1


Which energy source generates radioactive waste?

Which energy source generates radioactive waste?

Answers

Answer:

a

Explanation:

A desert region would be most likely to experience what type of weathering?
A. Sedimentary
B. Exfoliation
C. Freeze-thaw
D. Biological

Answers

Answer:

The answer will be A

Sedimantary

If a runner ran 100m in 10s, what is the runners average speed?


I think it involves one of Newton’s laws.

Answers

Answer:

either 10 metera in one second or .1 m per second s

Explanation:

it ia just math so dividing

which policy would most likely decrease a city's gasoline use

Answers

Make sure the gas cap is on tight. One reason you may not be getting the mileage you expect is because there isn't as much gas in your tank as you think. 147 million gallons of gas were lost last year due to evaporation. Why did it evaporate? The gas cap was not on tight. So just make sure it is tight, and it will enable you to keep all the gas you pay for

The cost-effective policy will be deemed the most beneficial in reducing the use of gasoline in cities.

What is policy of cost effectiveness?

A cost-effective policy focuses on both the cost and the quality of the product. The use of gasoline can be reduced by improving the technologies in vehicles where the engine consumes less gasoline.

Aside from that, by introducing new vehicles with comparable fuel consumption, consumers will be diverted from gasoline to other fuel-based vehicles with efficient output.

The government can also raise gasoline prices, but this has a negative impact on people's financial stability, resulting in a decrease in gasoline consumption.

Thus, this policy would most likely decrease a city's gasoline use.

For more details regarding cost effectiveness, visit:

https://brainly.com/question/19204726

#SPJ7

Describe how ozone is naturally broken down. Is this a bad thing? Explain

Answers

Explanation:

I hope this helps you

Ozone Depletion. When chlorine and bromine atoms come into contact with ozone in the stratosphere, they destroy ozone molecules. One chlorine atom can destroy over 100,000 ozone molecules before it is removed from the stratosphere.

Ozone depletion can cause increased amounts of UV radiation to reach the Earth which can lead to more cases of skin cancer, cataracts, and impaired immune systems.

Too much exposure to UV is believed to be contributing to the increase in melanoma, the most fatal of all skin cancers.

How many WBCs are there per microliter in the bloodstream?

Answers

The number of WBCs White Blood Cells in the bloodstream is between 4000 and 10,000 per microliter.

White blood cells are a heterogeneous group of nucleated cells . It can be found in circulation for at least a period of their life.

Answer:

The number of WBCs White Blood Cells in the bloodstream is between 4000 and 10,000 per microliter.

White blood cells are a heterogeneous group of nucleated cells . It can be found in circulation for at least a period of their life.

Explanation:

what is the order that oxygen reaches the following strucures from first to last

Answers

The order in which oxygen reaches the following structures from first to last depends on the context and the specific physiological process. However, in general terms, the following is a possible order:

Air sacs or alveoli in the lungsBlood vessels in the lungs, such as the pulmonary arteryLeft atrium of the heartLeft ventricle of the heartBlood vessels throughout the body, such as the aortaThe various organs and tissues of the body, such as the brain, muscle, and liver.

What organs does oxygen reach?

When we say that oxygen reaches a certain structure, we are referring to the process by which oxygen is transported from the lungs to various parts of the body through the circulatory system. Oxygen is inhaled into the lungs, where it diffuses across the thin walls of the alveoli (small air sacs) and into the blood vessels that surround them.

Oxygen-rich blood is then pumped from the lungs to the left atrium of the heart, and from there it is pumped into the left ventricle, which sends it out to the rest of the body through the aorta, and other blood vessels. The oxygen is then carried by the blood to all the body's organs and tissues, where it is used to generate energy through cellular respiration. This process is vital for the survival of living organisms, as oxygen is necessary for the production of energy in cells, which is needed to maintain life.

Learn more about oxygen in brainly.com/question/13370320

#SPJ1

In what order does oxygen reach the following structures, first to last, air sacs to organs?

Answer: Bronchi-bronchioles-alveoli-capillaries

Explanation:

ORGANIZED CELLS : TISSUES :: ________ : ORGANS

a. Tissues
b. Organs
c Body
d.Organisms

Answers

Answer:

the entire order is atom molecues organelles cells tissues organs organ system organism so none of the options you gave don't make sense in that order

Explanation:

Are the elements absorbed the same as the elements released in cellular respiration

Answers

Yes. The elements absorbed are the same elements that are released in cellular respiration.

What is cellular respiration?

Cellular respiration involves the breakdown of carbohydrate molecules to generate energy. In the process of generating this energy, the carbohydrate molecules react with oxygen and are converted to carbon dioxide and water.

This type of respiration is known as aerobic respiration and is expressed in the following equation:

\(C_6H_1_2O_6 + 6O_2 -- > 6CO_2 + 6H_2O\)

In another reaction, the carbohydrate molecules react to produce lactic acid. This is otherwise known as anaerobic respiration.

Be it aerobic or anaerobic respiration, the atoms of different elements present in the reactants are also present in the products in accordance with the law of conservation of atoms.

Thus, the elements absorbed are the same as the elements released in cellular respiration.

More on respiration can be found here: https://brainly.com/question/18024346

#SPJ1

temperature at which air becomes fully
saturated

Answers

Answer:

it saturated the air becomes fully in temperature

Explanation:

for your air

Your body has a layer of skin that protects it from the environment. This layer of skin is made up of many individual skin cells. Explain where all the cells came from and how two individual cells share the same traits.

Answers

Stratum Corneum This layer is composed of the many dead skin cells that you shed into the environment—as a result, these cells are found in dust throughout your home. This layer helps to repel water.

The cells of the skin layer that protects the body came from preexisting cells.

This is according to the cell theory which states that:

cells are the basic unit of lifecells arose from existing cells by reproductionall living organisms are made of cells

Cells can only arise from existing cells by a reproductive process known as cell division. Cells can divide by mitosis if they are vegetative cells or by meiosis if they are sex cells.

The daughter cells produced in meiosis are usually genetically and phenotypically different from their parent cells, unlike mitosis where the daughter cells are essentially the same as the parent cells both genotypically and phenotypically.

The cells of the skin are vegetative cells. Thus, they can only reproduce by mitosis. This is why individual skin cells share the same trait.

More on mitosis can be found here: https://brainly.com/question/13536882

How do Losos’s studies relate to classical evolutionary theory? Defend your claim by citing his team’s results and by applying the concepts of adaptation, fitness, and natural selection.

Answers

Losos's studies, as well as his team's results, are closely related to classical evolutionary theory, particularly in terms of adaptation, fitness, and natural selection. Losos's research has focused on understanding adaptive radiation, which is the rapid diversification of species from a common ancestor into different ecological niches.

By studying the Anolis lizards in the Caribbean, Losos and his team found evidence of adaptation and natural selection. They observed that different species of Anolis lizards had evolved distinct traits and behaviors to exploit specific habitats and food sources. For example, lizards living in the tree canopy had longer limbs for better jumping abilities, while lizards living on the ground had shorter limbs for maneuvering in dense vegetation.

These observations demonstrate how adaptation occurs in response to selective pressures from the environment. Lizards with traits that enhance their fitness (ability to survive and reproduce) in their specific habitats have a higher chance of passing on their genes to future generations. This process is driven by natural selection, where individuals with advantageous traits are more likely to survive and reproduce, leading to the accumulation of adaptive traits in a population over time.

Overall, Losos's studies align with classical evolutionary theory by providing empirical evidence for adaptation, fitness, and natural selection as fundamental mechanisms shaping the diversification of species.

Know more about adaptive radiation here:

https://brainly.com/question/13165565

#SPJ8

The forms of physical, mental, or emotional distress experienced by individuals who may or may not subscribe to biomedical understandings of disease are called
a. sickness
b suffering
c. illness
d. culture-bound syndromes

Answers

The forms of physical, mental, or emotional distress experienced by individuals who may or may not subscribe to biomedical understandings of disease are called illness. The correct answer is option(c).

Regardless of whether they subscribe to biological theories for disease, people might suffer physical, mental, or emotional distress that they may label as illness. It includes the symptoms, attitudes, and effects on everyday functioning and wellbeing as well as the social and personal experience of being ill.

Although the terms sickness and illness are frequently used interchangeably, sickness explicitly refers to the state of having a particular disease or medical condition. Contrarily, the term "suffering" is broader and includes people's feelings of physical, emotional, or psychological anguish.

To know more about disease refer to:

https://brainly.com/question/14083398

#SPJ11

1. Interpret Graphs- Describe the trend in the amount of protein digested over time.

2. Analyze Data- About how many hours did it take for half of the protein to be digested?

3. Draw Conclusions- How would you expect the rate of meat digestion to differ in an animal whose digestive tract had less of the enzyme pepsin?

1. Interpret Graphs- Describe the trend in the amount of protein digested over time.2. Analyze Data-

Answers

1. Interpret Graphs: The graph displays the amount of protein digested over time.

2. Analyze Data: To estimate the time it took for half of the protein to be digested, we can look for the point on the graph where the amount of protein digested is half of the maximum amount.

3. Draw Conclusions: If an animal's digestive tract had less of the enzyme pepsin, we would expect the rate of meat digestion to be slower.

1. Interpret Graphs: The graph displays the amount of protein digested over time. As time progresses, there is a clear upward trend in the amount of protein digested. Initially, the digestion rate is slow, but it gradually increases and eventually reaches a plateau.

2. Analyze Data: To estimate the time it took for half of the protein to be digested, we can look for the point on the graph where the amount of protein digested is half of the maximum amount. By visually examining the graph, we can see that this point occurs at approximately 4 hours. Therefore, it took about 4 hours for half of the protein to be digested.

3. Draw Conclusions: If an animal's digestive tract had less of the enzyme pepsin, we would expect the rate of meat digestion to be slower. Pepsin is a crucial enzyme involved in breaking down proteins, particularly in the stomach. With less pepsin present, the digestion process would be impaired, leading to a decreased rate of protein breakdown.

The enzyme pepsin plays a significant role in initiating the hydrolysis of proteins into smaller peptides. Without sufficient pepsin, the protein digestion process would be compromised, resulting in reduced efficiency and slower digestion of meat. This could lead to delayed nutrient absorption and potential digestive issues in the animal.

Additionally, a decreased amount of pepsin would impact the overall efficiency of protein utilization in the animal's diet. It might require the animal to allocate more energy and resources for the digestion process, potentially affecting its overall metabolic efficiency and growth.

In summary, a reduced presence of pepsin in an animal's digestive tract would likely result in a slower rate of meat digestion, potentially leading to inefficient nutrient absorption and affecting the animal's overall metabolic processes.

For more such information on: protein

https://brainly.com/question/884935

#SPJ8

What information about the organisms best helps the scientists to determine the evolutionary relationships among them?
Anatomical features
Reproductive strategies
DNA Sequences
Habitat types

Answers

Answer:

its c: DNA Sequences

Explanation:

I got it right

The coriolis effect influences____

Wind direction

Both wind speed and wind direction

Wind speed

Neither wind speed nor wind direction

Answers

It’s wind Direction %100 sure!

A cell was found to have the following structures
DNA
Cell membrane
Mitchochondria
Based on the information provided what can be concluded about the cell

Answers

It could be a plant cell or an animal cell

let's suppose that a cell is heterozygous for three different genes (Aa Bb Cc) and that each gene is on a different chromosome. How many different ways can these three pairs of homologous chromosomes align themselves during metaphase 1 and how may different types of gametes can be produced?

Answers

a.  The different ways of three pairs of homologous chromosomes align themselves during metaphase 1 is 8.

b. The different types of gametes can be produced is 8.

If a cell is heterozygous for three different genes (Aa Bb Cc), and each gene is on a different chromosome, then during metaphase 1 of meiosis, the three pairs of homologous chromosomes can align themselves in 2³ = 8 different ways. This is because each chromosome pair can align either as AB, Ab, aB, or ab, and there are three chromosome pairs.

As for the number of different types of gametes that can be produced, we need to consider the law of independent assortment. This law states that during meiosis, the alleles of different genes segregate independently of each other. So, for the three genes in this scenario, there are 2 possible alleles for each gene, resulting in 2³ = 8 different possible combinations of alleles in the gametes.

Therefore, this cell can produce 8 different types of gametes, each with a unique combination of alleles.

Learn more about different genes: https://brainly.com/question/28643468

#SPJ11

Other Questions
There are 2 questions I need help with. I uploaded them both in a picture. Why do two isotopes of an element have the same atomic number but different mass numbers? In your own understanding what is psychology? A sand dune stands 5 feet above sea level. The hill is eroding at a rate of 1 foot per 20 years. Let y represent the height of the sand dune after x years. Which equation represents the situation?y = negative StartFraction 1 Over 20 EndFraction x minus 5y = negative StartFraction 1 Over 20 EndFraction x + 5y = negative 20 x minus 5y = negative 20 x + 5 The Southampton Tragedy The Richmond Enquirer. Virginia 27 September 1831 1. Who is the author of his article speaking to? How do you know this? How does his audience affect what he says and how he says it? On a daily basis, county and city governments have _____ effect on citizens than state and national governments. Group of answer choices A carnivore that eats other carnivores is a... use the word "look" as both noun and verb and make a sentence You are offered the following terms on a loan of $2250: 9.25 % interest per year paid back over 36 months. If monthly payments are $79.84, how much interest will you have paid once this loan is paid in full?a) $624.24b) $655.24c) $2874.24d) $1242.50e) None of the above Which circle is the graph of the equation (x + 4)2 + (y 5)2 = 4?Circle CCircle BCircle DCircle A Need help due today work needs to be completed!!! Lucy and Zaki each throw a ball at a target.What is the probability that both Lucy and Zaki hit the target? Aman: Im feeling bored this afternoon. Muna: _________________________________________. Find the missing angle measurement of a triangle with these angles: 45, 35.8, x 15 points please helpWhy do cells in plant roots undergo mitosis continuously? Name the following compound: CuzsO sulfur copperide (ll)O sulfur copperide (1)O copper(I) sulfidecopper(ll) sulfide balance the following sodium borohydride reduction equation below. In a series circuit do each bulb get the full electrical pressure. Describe- What were the social and political functions served by an acropolis and an agora in a greek polis? Name 5 of Melanie Martinez songs!