Questions from Genetics

Q: With respect to this form of natural selection, explain the meaning

With respect to this form of natural selection, explain the meaning of the word directional.

Q: In this example, is directional selection promoting genetic diversity? Explain

In this example, is directional selection promoting genetic diversity? Explain.

Q: Explain why the HbS allele is prevalent in certain regions even though

Explain why the HbS allele is prevalent in certain regions even though it is detrimental in the homozygous condition.

Q: Explain how negative frequency-dependent selection works.

Explain how negative frequency-dependent selection works.

Q: Does this form of natural selection favor polymorphism? Explain why or

Does this form of natural selection favor polymorphism? Explain why or why not.

Q: What is an advantage of gene regulation?

What is an advantage of gene regulation?

Q: In general, why does stabilizing selection decrease genetic diversity?

In general, why does stabilizing selection decrease genetic diversity?

Q: Is height a discontinuous (discrete) trait, or does it

Is height a discontinuous (discrete) trait, or does it follow a continuum?

Q: What is happening at the bottleneck? Describe the effect of genetic

What is happening at the bottleneck? Describe the effect of genetic drift during the bottleneck.

Q: How does inbreeding affect the likelihood that recessive traits will be expressed

How does inbreeding affect the likelihood that recessive traits will be expressed? Explain.