Use the Following Information When Answering the Corresponding Questions)

Use the following information when answering the corresponding questions) .
Researchers studying a small milkweed population note that some plants produce a toxin and other plants do not. They ident gene responsible for toxin production. The dominant allele T) codes for an enzyme that makes the toxin, and the recessive all
t) codes for a nonfunctional enzyme that cannot produce the toxin. Heterozygotes produce an intermediate amount of toxin. The genotypes of all individuals in the population are determined see chart) and used to determine the actual allele frequencies in the population.
Figure 23.1
-Based on whether the population in Figure 23.1 is in Hardy- Weinberg equilibrium, the researchers had already noted that negligible mutation and migration existed in this milkweed population, and the toxin does not affect the butterflies that pollinate these plants. Which of the following would be a logical conclusion about this milkweed population?

A) There is either directional selection or sexual selection.
B) There is either disruptive selection or inbreeding.
C) Genetic drift and selection are negligible.
D) There is either a heterozygote advantage or stabilizing selection.

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