The diagrams above are illustrations of types of comb found in domestic fowl. Study them and answer this question. Which factor is most likely responsible f...

The diagrams above are illustrations of types of comb found in domestic fowl. Study them and answer this question.

Which factor is most likely responsible for the various types of comb?

Answer Details

The factor most likely responsible for the various types of comb in domestic fowl is genetics. Comb type is determined by the genes that control the development of the head and face in birds. Different combinations of genes can result in different comb types, including single, pea, rose, and others. These genetic differences can be passed down from generation to generation, leading to the variation in comb types seen in domestic fowl. Environmental factors, such as temperature and nutrition, can also play a role in the development of combs, but the underlying genetic differences are what primarily determine the type of comb a bird will have.