A man with type A blood marries a woman with typeb. Their offspring all have type AB blood. The pattern of inheritance is called

Answers

Answer 1

Answer: The pattern of inheritance is called codominance when the father has type A and the mother has type B and the kids have type AB blood. This is when the both of the alleles will show equal dominance/impact after mating. The type A blood has the gene pattern iAi or iAiA. The type B blood has the gene pattern iBi or iBiB. The correct answer to this question is "codominance."

Answer 2

Answer:

Answer: It’s C

Explanation: I just took the test!

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What do birds have that distinguishes them from other organisms?a. Four-chambered he21
c. Amniotic eggs
b. Wings
d. Feathers

Answers

The answer is d. Feathers.

Feathers are epidermal growths characteristic only for birds and it is the trait that distinguishes them from the other organisms.

The other three characteristics they share with other organisms:
- Four-chambered heart is a characteristic of crocodiles, birds, and mammals.
- Reptiles, birds, and mammals, belong to the group of Amniote, which means their eggs are amniotic. Amniotic eggs are either laid on land or retained inside the mother, unlike anamniotic eggs that are laid in the water.
- Wings are characteristic for birds and some mammals, such as bats. But their wings are analogues which mean they evolved independently.

When determining the taxon based on morphology, a scientist is relying on genetic similarities. True or False

Answers

The answer is true.

In morphology, the scientist relies on genetic similarities in determining taxon based.

Morphology is the branch of science which deals with the study of structure and form of organisms and also the organism’s specific structural features.

A mother with a blood type of A has a son witha blood type of B. Which of the following are
possible? Select all that apply.

Answers

Answer:

b blood

Explanation:

Final answer:

A mother with blood type A can have a son with blood type B if the father has blood type B and passes on the B allele.

Explanation:

Inheritance of blood types is determined by specific genes, called ABO genes, which are located on chromosomes.

In this case, the mother has blood type A, which means she has two copies of the A allele (IAIA). The father must have given the B allele (IB) to the son, resulting in blood type B.

Therefore, the possible combinations for the son's blood type are IAIB (AB), since he inherited one A allele from his mother and one B allele from his father, and IBIB (B), if the father has blood type B and passed on both B alleles.

Learn more about Blood Type here:

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the secretion of which hormone is an example of a positive feedback mechanism? insulin estradiol parathormone catecholamines

Answers

pretty sure it's Catecholamines

Which describes the basic structure of a fatty acid

Answers

A fatty acid is a carboxylic acid with a long aliphatic chain. It can be saturated or unsaturated. In order to describe correctly the fatty acid, the length of the carbon chain should be given, the number of double bonds and the exact position of the double bonds.

A pond near a city park is found to be contaminated with both bacteria and excess nitrogen. The bacteria most likely came from _____, and the excess nitrogen most likely came from _____.

Answers

Excess nitrogen is brought in the pond from the fertilizer, which are ladden in nitrogen and phosphorous, and rain water or running water takes that nitrogen to the water bodies.Bacteria must have come from the sewage disposal in the pond. Sewage is rich in organic material and allows proliferation of bacteria, which is taken to the pond when the sewage is disposed in the pond.

Answer:

runoff;sewage

Explanation:

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