Iguanas are living in a relatively dry habitat. Imagine a change in the Indiana's habitat from dry land to aquatic. Based on the generation 1 allelic frequencies, we can assume only a small percentage of iguanas had webbed feet. Predict what should happen to the allelic frequencies within the iguana population over time.

Question

Biology

Paula Holden

1 January, 19:09

Iguanas are living in a relatively dry habitat. Imagine a change in the Indiana's habitat from dry land to aquatic. Based on the generation 1 allelic frequencies, we can assume only a small percentage of iguanas had webbed feet. Predict what should happen to the allelic frequencies within the iguana population over time.

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Carolyn Stevenson · Answer 1

The dominant allele will decrease while the recessive will increase in the gene pool. The dominant allele represents non-webbed feet. Surviving in an aquatic environment will favor the iguanas with webbed feet, so natural selection is occurring.