Question

In a species of wild animal, claw size is determined by a combination of two alleles. Allele Q codes for large claws, while allele q codes for small claws. Individuals with a heterozygous genotype possess claws of medium size. Members of the species depend on their claws to be able to burrow in the ground and find food. But in an area where the ground has always been soft, gradual climate change has caused the dirt to become hard and compact. Which statement best predicts the change that will occur in the affected populations?

Answer 1

Below are the choices that can be found elsewhere:

A. Allele q will decrease in frequency.
  B. Allele q will become dominant to allele Q.
  C. Allele Q will become dominant to allele q.
  D. Allele Q will decrease in frequency.

The answer is  B. Allele q will become dominant to allele Q.

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