Blood type in humans is an example of a trait that has multiple alleles. The alleles for type A blood and type B blood are codominant, and type O blood is recessive to both type A and type B. If a girl with type AB blood has a brother with
type O blood and a sister with type B blood, which of the following genotypes could it be possible for their parents to have?
CAO and BO
AB and 00
CAB and BO
CAD and AB
Answers
Out of the following genotypes the possible genotype of their parents is option one that is CAO and BO.
The ability to distinguish between different blood types in humans or their blood based on the presence or absence of particular antigens in the blood is known as blood grouping. The presence or lack of two antigens, A and B, on the surface of red blood cells results in one of four major blood types. A, B, AB, O
Blood types that are genetically passed down include:
Parent 1 Blood Group + Parent 2 Blood Group= Baby’s Blood Group
O+O= O
O+A = O or A
O+B = O or B
O + AB= A or B
A+A= O or A
B+B= O or B
AB+AB= A, B. AB
A+B = O A, B, AB
A+AB = A, B. AB
B+AB = A, B. AB
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Related Questions
Earth's ______ causes the Coriolis effect.
•winds
•rotation
•temperatures
Answers
\( \: \: \: \)
Earth's rotation causes the Coriolis effect.
\( \: \: \: \)
\( \: \: \: \)
\( \: \: \: \)
\( \: \: \)
Hope Helps `~~
Answer: Rotation
Explanation:
The rotation of the Earth causes the Coriolis effect. Moving items in the Northern Hemisphere tend to curve to the right of their intended paths; moving objects in the Southern Hemisphere tend to curve to the left of their intended paths.
Please help me with this question
Answers
Primary sex characteristics are to Male testes as secondary sex characteristics are to female ovaries, option C.
What are the roles of primary and secondary sex characteristics?Both primary and secondary sex characteristics play important roles in sexual development and behavior, as well as in physical attraction between individuals.
Primary sex characteristics are the sexual organs directly involved in reproduction, such as the testes in males and ovaries in females. Secondary sex characteristics are physical features that are not directly involved in reproduction but distinguish males and females and develop during puberty, such as deepened male voice and underarm hair.
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Describing the Death of Stars Which statements describe the death of stars? Check all that apply. A star's final stages of life depend on its mass Stars die when they run out of fuel When a star starts to die, its core expands. The outer portion of the star contracts. All stars become black holes when they die Intro
Answers
Answer:
A. A star’s final stages of life depend on its mass.
B. Stars die when they run out of fuel.
Explanation:
A star's life cycle is determined by its mass. ... Over time, the hydrogen gas in the nebula is pulled together by gravity and it begins to spin. ... It is now a main sequence star and will remain in this stage, shining for millions to ... When the hydrogen supply in the core begins to run out, and the star is no longer supported.
What are the four modern-day phyla of gymnosperms?
Answers
Answer:
Gymnosperms consist of four main phyla: the Coniferophyta, Cycadophyta, Gingkophyta and Gnetophyta.
Conifers are the dominant plant of the gymnosperms, having needle-like leaves and living in areas where the weather is cold and dry.
Cycads live in warm climates, have large, compound leaves, and are unusual in that they are pollinated by beetles rather than wind.
Gingko biloba is the only remaining species of the Gingkophyta and is usually resistant to pollution.
Gnetophytes are the gymnosperms believed to be most closely related to the angiosperms because of the presence of vessel elements within their stems.
Coniferophyta (conifers): This is the largest and most diverse phylum of gymnosperms, with over 600 species. Conifers are typically evergreen trees or shrubs with needle-like or scale-like leaves and cones that contain the seeds.
Cycadophyta (cycads): This phylum includes about 300 species of palm-like trees and shrubs with large, compound leaves and cones that are often brightly colored.
Ginkgophyta (ginkgos): This is a small phylum with only one living species, Ginkgo biloba. Ginkgos are deciduous trees with fan-shaped leaves and fleshy seeds.
Gnetophyta (gnetae): This is a diverse group of around 70 species of shrubs, trees, and vines. Gnetophytes have a range of leaf types and growth forms and can be found in both tropical and temperate regions. Some examples include Ephedra and Welwitschia.
All gymnosperms share the characteristic of producing seeds that are not enclosed in a fruit. They are an important group of plants because they can survive in harsh conditions and are often used for lumber, paper, and as ornamental plants.
Which are characteristics of all living things? Select three options.
grow and develop
make their own food
are made of many cells
respond to stimuli
can reproduce
Answers
Answer:
Grow and develop, respond to stimuli, and can reproduce
Explanation: The other random humans are wrong and I just did it on edge 2020
Answer:
The characteristics shared by all living things are that grow and develop, respond to stimuli and can reproduce.
Explanation:
Living things are different, and despite this, they have characteristics in common, since all are able to grow and develop, respond to external stimuli, and can reproduce themselves.
Growth and development: it is a process that occurs in stages and depends on the evolution of the form and functions of the organism.Response to stimuli: it is a function that is called relationship, through which an organism is able to perceive the stimuli of its environment and respond to them.Reproduction: this is the function in which other living beings with the same morphological and functional characteristics can be obtained from a living being.Making their own food and being made of many cells are characteristics that are not shared by all living things, since they correspond to autotrophic organisms and pluricellular organisms only, respectively.
In which ways might ocean currents be like streams and rivers on land?
Answers
Which of the following best describes high G+C bacteria
a.) Gram-negative bacteria that include spirochetes, planctomycetes, and the CFB group
b.) A gram-positive group that includes Bacilli
c.) Gram-negative bacteria that include a large group composed of five classes of bacteria
d.) A gram-positive group that includes the Actinobacteria
Answers
Answer:
d.) A gram-positive group that includes the Actinobacteria
Explanation:
The best description of high G+C bacteria is option d) A gram-positive group that includes the Actinobacteria.
High G+C bacteria, also known as high guanine-cytosine bacteria, refer to a group of bacteria characterized by a high proportion of guanine (G) and cytosine (C) nucleotide bases in their DNA. This characteristic can be determined by analyzing the DNA composition of bacteria.
Option d) states that high G+C bacteria belong to a gram-positive group that includes the Actinobacteria. This is the most accurate description of high G+C bacteria. Actinobacteria are a phylum of gram-positive bacteria, known for their high G+C content. They are characterized by their filamentous growth and the formation of branching networks of hyphae, similar to fungi. Actinobacteria include a diverse range of organisms, such as the genus Streptomyces, which produce many antibiotics, and Mycobacterium, which includes the species responsible for tuberculosis and leprosy.
Options a), b), and c) are not accurate descriptions of high G+C bacteria. Option a) mentions gram-negative bacteria and includes spirochetes, planctomycetes, and the CFB (Cytophaga-Flavobacterium-Bacteroides) group, which are not specifically associated with high G+C content. Option b) refers to a gram-positive group that includes the Bacilli, which generally do not have a high G+C content. Option c) mentions gram-negative bacteria composed of five classes, but it does not specifically address high G+C content.
Therefore, option d) is the most accurate description of high G+C bacteria, as it correctly identifies them as a gram-positive group that includes the Actinobacteria.
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2 Select the correct answer from each drop-down menu. Complete the sentence to describe the effect of the given parasite on its host ___ is a parasite that lives in the gastrointestinal tract. It typically causes loss of ___ in the host animals
Answers
The effect of nematode parasites on their host animals can vary depending on the specific species and the severity of the infection.
However, one common effect of nematodes, particularly those that reside in the gastrointestinal tract, is the loss of nutrients in the host animals.
Nematodes are known to feed on the nutrients present in the host's gastrointestinal tract, including carbohydrates, proteins, and other essential substances.
Thus, as a result, the infected host may experience a reduced ability to absorb and utilize these nutrients for their own growth and maintenance.
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A plant that has round seeds is crossed with one that has wrinkled seeds. The offspring had half round seeds and half wrinkled seeds. What were the genotypes of the parents?
A plant that has round seeds is crossed with one that has wrinkled seeds. The offspring had half round seeds and half wrinkled seeds. What were the genotypes of the parents?
Rr x Rr
RR x rr
Rr x rr
RR x Rr
Answers
Answer:
2nd one
Explanation:
I believe this is correct. rr is a recessive homozygous.
what is the meaning of involuntary action
Answers
Involuntary actions is when something happens unintentionally or without a person's conscious control, it is said to be occurring involuntarily
What is Involuntary actions?When something happens unintentionally or without a person's conscious control, it is said to be occurring involuntarily. Usually, the autonomic nervous system or reflexive reactions control these actions.
In contrast to voluntary acts, which may be controlled consciously, involuntary actions occur without conscious thought or intentional decision-making.
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What effect did the population
boom have on the environment?
A Less pollution and more natural habitats
B More pollution and fewer
natural habitats
C The population boom did not affect the environment
Answers
Answer:
B
Explanation:
The larger the population, the heavier the reliance becomes on greenhouse gases which negatively impacts air quality. Due to construction, deforestation, etc., natural habitats are eliminated.
verview
Cells use a molecule called Choose...
to store and release energy like a battery. The energy is stored in chemical bonds
between
Choose...
groups of the molecule, and the energy is released when the chemical bonds are broken.
Answers
Answer:
ATP - phosphate
Explanation:
Which of these statements about photosynthetic organisms are true? Select all that apply.
Plants are not the only photosynthetic organisms.
Plants are not the only photosynthetic organisms.
Algae is a type of photosynthetic bacteria.
Algae is a type of photosynthetic bacteria.
All bacteria can do photosynthesis.
All bacteria can do photosynthesis.
Cyanobacteria are a group of bacteria that carry out photosynthesis.
Answers
Answer:
The statements that are true are: Plants are not the only photosynthetic organisms, Algae is a type of photosynthetic bacteria, and Cyanobacteria are a group of bacteria that carry out photosynthesis. Not all bacteria can do photosynthesis; some bacteria obtain energy through other processes such as chemosynthesis.
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What is a example of structural diversity
Answers
Answer:
Structural diversity refers to the variety of physical structures or habitat types within an ecosystem. It can be observed in a variety of natural settings, such as forests, grasslands, or coral reefs.
An example of structural diversity in a forest ecosystem would be the presence of different tree species with varying heights, crown shapes, and ages. This creates a diverse vertical structure, with some trees reaching high into the canopy layer while others grow lower in the understory. The presence of snags (dead trees), downed logs, and fallen branches on the forest floor also contributes to structural diversity, providing habitat for a variety of wildlife species such as insects, fungi, and small mammals. These different structural components support a range of ecological processes, such as nutrient cycling, decomposition, and predator-prey relationships, which contribute to the overall health and resilience of the forest ecosystem.
Hope it helps! : )Which of the following was not a desired goal of hydrogenating polyunsaturated fatty acids in butter- like spreads? a) To make the compound have the consistency of butter b) To make the compound a solid at room temperature c) To put trans double bonds into the molecule d) To remove some of the double bonds in the molecule
Answers
It was not the expected consequence of hydrogenating polyunsaturated fatty acids in butter-like spreads to introduce trans double bonds into the molecule.
Describe what fatty acids are.The basic elements of fat in our bodies and the food we eat are called fatty acids. The body turns lipids into fatty acids during digestion so that they may be taken into the circulation. Three fatty acid molecules are joined together to form a molecule called a triglyceride.
Which two essential fatty acids dominate?The most crucial fats, though, are those that our bodies are unable to produce and must obtain from diet. These essential oils (EFAs) are composed primarily of the omega-6 group linoleic acid.
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Select the photosynthetic molecule that gives halobacteria its unique color.
a.) Caratenoids
b.)Thylakoids
c.)Bacteriochlorophylls
d.)Bacteriorhodopsin
Answers
Answer:
Bacteriorhodopsin
Explanation:
Purple Halobacterium species owe their color to bacteriorhodopsin, a light-sensitive protein.
Penicillin-binding protein 2a, encoded by the medA gene, isn’t affected by beta-lactam antibiotics.
True
False
Answers
Answer:
The correct answer is - false.
Explanation:
Penicillin-binding protein 2a or PBPs are protein produced by bacteria that binds with the β-lactam antibiotics such as penicillin. They play role in the cell wall synthesis of bacteria by producing peptidoglycan by catalyzing the reaction.
β-Lactam antibiotics bind with the PBPs and cause the disruption to peptidoglycan cross-linking in the biosynthesis of the cell wall and ultimately lysis of bacteria takes place and cell death.
Voluntary muscles are called skeletal muscles. Give reason.
Answers
A scientist constructs a graph to show the age structure that f the human population of county
Answers
Based on the graph, it can be concluded that the population is increasing rapidly because of the youth of the population.
What is population?The population of a species is the number of organisms of the same species found within a given habitat.
Population graphs are used to describe the trend in the population of a given species of organisms.
The factors that affects population growth of a country include:
fertility rates,mortality rates or life expectancy,the initial age profile of the population, and migrationGiven the population graph of the country, the conclusion can be drawn is that the population is increasing rapidly because of the youth of the population.
In conclusion, the higher the fertility rate the faster the population growth.
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Note that the complete question is given below:
A scientist constructs a graph to show the age structure of the human population of Country Y. The graph is shown here. What conclusion is supported by the graph?
The population is increasing rapidly because of the youth of the population.
what is diffussion ?
Defines osmosis?
what is hypotonic solution?
Answers
Answer:
Diffusion is the net movement of anything from a region of higher concentration to a region of lower concentration. Diffusion is driven by a gradient in concentration. The concept of diffusion is widely used in many fields, including physics, chemistry, biology, sociology, economics, and finance.
Dictionary
Definitions from Oxford Languages
Search for a word
osmosis
/ɒzˈməʊsɪs/
Learn to pronounce
noun
1.
BIOLOGY•CHEMISTRY
a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one.
2.
the process of gradual or unconscious assimilation of ideas, knowledge, etc.
A hypotonic solution has a lower concentration of solutes than another solution. In biology, a solution outside of a cell is called hypotonic if it has a lower concentration of solutes relative to the cytosol. Due to osmotic pressure, water diffuses into the cell, and the cell often appears turgid, or bloated.
Which of the following statements is TRUE?
A.
Testosterone is the only male sex hormone.
OB.
Male sex hormones are called androgens.
O C.
Male sex hormones are called steroids.
OD.
All of the above
Answers
Answer:
B is the answer
Explanation:
Answer:
A.
\(\huge\mathfrak\red{Answer...} \\ \\ \small\mathfrak\purple{testosterone \: is \: the \: only \: male \: sex \: hormone...} \\ \\ \huge\mathfrak\blue{hope \: it \: helps..}\)
What prevents organisms from reproducing an unlimited number of offspring?
Answers
The primary reason living organisms cannot produce an unlimited number of offspring is senescence, otherwise known as old age.
Cells of the reproductive organs divide and continually make it possible for organisms to reproduce. As time goes on, the old cell dies and new cells replace them through mitotic or meiotic cell division of young cells that still has the ability to divide.
However, as programmed cell deaths occur with old age, the reproductive cells start losing the ability to divide, and when this happens, the ability for organisms to reproduce becomes limited.
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PEP + ADP → Pyruvate + ATP ∆G = -14.8 kcal/mol
ATP + H2O → ADP + Pi ∆G = -7.3 kcal/mol
Glutamic acid + NH3 → Glutamine ∆G = +3.4 kcal/mol
Which reactions can be coupled?
Answers
Reactions can be coupled if the products of one reaction are reactants in the other reaction, and if the overall ∆G of the coupled reactions is negative. Therefore, reaction 3 (Glutamic acid + NH3 → Glutamine) is the non-spontaneous reaction among the given reactions.
We can see that in this instance, the first two processes involve the interconversion of ADP and ATP and have negative G values. As a result, they are both exergonic, or processes that release energy.
These two reactions can therefore be coupled because the first reaction's energy discharge can be used to fuel the second reaction.
The third process, on the other hand, produces glutamine from glutamic acid and ammonia and has a positive G value. This indicates that it is an endergonic process, which uses up energy.
This reaction therefore cannot be coupled immediately to either of the first two reactions. Therefore the reaction 3 is correct.
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) Among the 7 deaths do you believe they are connected? Why or why not? B) Based on the chemical blood analysis from the autopsy what organelle was likely affected? How did you come to this conclusion? What part of the cellular function was interrupter? C) Based on the levels given in the table below, what portion of the metabolic pathway was interrupted?
D) Explain how Cyanide disrupts the electron transport chain. What was the likely source of cyanide in the case?
Answers
The case is largely based on the 1982 Chicago Tylenol killings, in which seven individuals perished after cyanide-laced Tylenol capsules were administered.
What specifically occurred at the mtdna level to murder 7 persons in a suburb of Chicago?According to toxicology reports, the victims had cyanide poisoning. The killer had broken the capsules of extra strength Tylenol and substituted the acetaminophen (a painkiller) with cyanide. This is how the poison was discovered.
What aspects of the time of death should be noted and looked into?Always make your best guess. But, when the ideas are correctly put into practice, the pathologist can frequently predict the physiological time of death rather precisely. Body temperature, heart rate, and breathing rate are the most crucial and frequently used.
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??? help ??? please anyone
Answers
Answer:
B
Explanation:
Which example best demonstrates diffusion?
A. cellular movement
B. an amoeba engulfing a bacterium
C. the dispersal of dye in a beaker of water
D. a contractile vacuole removing excess water
Answers
A contractile vacuole removing excess water is the correct answer.
What is diffusion?Diffusion is defined as the movement of particles from a region of high concentration to a region of lower concentration. Diffusion occurs in both liquids and gases which is an important process for living organisms.
In contractile vacuole, water moves from higher concentration region to lower so we can conclude that a contractile vacuole removing excess water is the correct answer.
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Do you think water pollution has a greater effect on humans than air pollution?
Answers
Answer:
I think they are both as bad.
Explanation:
I say this because air pollution can cause water pollution but the same goes the other way around.
Answer:
No, air pollution is worse.
Explanation:
Whilst water pollution would kill s over time from dehydration, the air pollution would kill us first. Air is how we breathe and that would kill us before the water did. Over all, air pollution would kill us first.
which of the following is a correct statement about the event of the cell cycle
Answers
Answer:
The answer which is a correct statement about the events of the cell cycle is 4) Interphase consists of the G1, S phase, and G2 phase - it also consists of G0 phase, but that is not included in this option
Answer:
i/d/k
Explanation:
What is the function of pancreatic
Answers
The pancreas has multiple functions in the body, including both endocrine and exocrine functions. The primary function of the pancreas is to produce and secrete digestive enzymes and hormones.
As an exocrine gland, the pancreas produces and releases digestive enzymes into the small intestine to aid in the breakdown and digestion of carbohydrates, proteins, and fats. These enzymes include amylase, lipase, and proteases, which play crucial roles in the digestion and absorption of nutrients from food.
In addition to its exocrine function, the pancreas also acts as an endocrine gland. It secretes hormones such as insulin and glucagon into the bloodstream, which are essential for regulating blood sugar levels.
Insulin helps lower blood sugar levels by facilitating the uptake and storage of glucose by cells, while glucagon helps raise blood sugar levels by stimulating the release of stored glucose from the liver.
Overall, the pancreas plays a vital role in both digestion and glucose regulation, contributing to maintaining overall metabolic balance in the body.
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Describe one way that CRISPR technology has positively affected society.
Answers
Answer: CRISPR enables desirable crop traits by introducing DNA from nature-generated genetic variations within the crop itself, and not from another reproductively incompatible organism. This eliminates the fear that foreign DNA may be present in the resultant plant and related finished goods.
Answer: Removing malaria from mosquitoes
Explanation: