After several generations, in a population under stabilizing selection, what are

Question

After several generations, in a population under stabilizing selection, what are the typical consequences to the phenotype of bird beak depth? a. mean beak depth changes, and variance in this trait is reduced b. mean beak depth changes, and the variance increases c. mean beak depth stays the same, and the variance in this trait does not change d. mean beak depth stays the same, and the variance in this trail is reduced e. mean beak depth stays the same, and the variance in this trait increases Which of the graphs below show the relationship between the value of beak depth and fitness for a population under stabilizing selection?

Explanation / Answer

Question 11: After several generations, in a population under stabilizing selection, what are the typical consequences to the phenotype of bird beak depth?

Answer: b. Mean beak depth changes, and the variance increases.

Beak depth is highly heritable, natural selection cause to rapid evolution of beak size.

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