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malfutka [58]
2 years ago
14

How does the amount of resources affect the evolution of a species? A) Resource availability can cause evolutionary changes in t

raits that increase the fitness of an organism. B) resource availability can cause evolutionary changes in traits that decrease the fitness of an organism. C) resource availability has no effect on the evolution of species. D) resource availability only affects mammals.
Biology
1 answer:
timofeeve [1]2 years ago
7 0

Answer:

C

Explanation:

Resource availability may be the selection pressure, however, it will not lead to evolution. Evolution is by chance whereby offsprings accumulate mutations that result in phenotypic changes that may allow them to access other sources of food.

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A man who has type B blood has children with a woman who has type A blood. A. If they are both heterozygous for this trait, pred
Ivenika [448]

Answer:

The possible blood types of their children are: type AB (iAiB), type A (iAi), type B (iBi), type O (ii)

Explanation:

Blood type in humans is controlled by a gene with multiple alleles. Alleles iA and iB are dominant over allele i but co-dominant. The following blood types are encoded by the following alleles:

Blood type AB - iAiB

Blood type A - iAiA or iAi

Blood type B - iBiB or iBi

Blood type O - ii

According to this question, a man who has type B blood has children with a woman who has type A blood. They are both heterozygous, meaning that the man's genotype is "iBi" while the woman's genotype is "iAi". Both parents will produce gametes as follows:

iBi = iB and i

iAi = iA and I

Using these gametes in a punnet square (see attached image), the following possible blood types are produced in the offsprings:

- type AB (iAiB)

- type A (iAi)

- type B (iBi)

- type O (ii)

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2 years ago
What are the three primary elements of a healthful eating plan?
alexgriva [62]
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The best and most correct answer among the choices provided by your question is the third choice or letter C.

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