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Paha777 [63]
3 years ago
13

Which of the following is NOT a condition necessary for natural selection to occur?

Biology
2 answers:
balandron [24]3 years ago
5 0

Answer:

A

Explanation:

Natural selection can occur in a not very dense population, however fitness, too many offspring and variation are all necessary.

vlabodo [156]3 years ago
4 0
Its A I just workered it out in my head
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he bodies of wild-type fruit flies are colored by dark pigments, but an X-linked recessive mutation can confer a yellow, unpigme
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We could feed them with another type of food free of silver salts.

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When talking about a phenocopy, we are referring to individuals who genotypically should be expressing a determined phenotype, but due to environmental influence, they express another phenotype. This is a non-inheritable phenotype, so it is not considered a mutation.

If we grow thy flies feeding them another type of food that does not include silver salts, and let them mate and reproduce, they will express the real phenotype, because they will not be influenced by the food. In the following generation, there will be dark individuals carrying the dominant allele, and yellow individuals, with the recessive genotype.

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The answer to your question is:

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