Assume that you are studying a trait determined by a number of polygenes.If there are seven phenotypic categories,how many genes are probably involved?
A)4
B)2
C)7
D)3

Question

Quizplus · Accepted Answer

Polygenes are traits that are determined by multiple genes, usually three or more. The number of phenotypic categories is not necessarily indicative of the number of genes involved. However, seven phenotypic categories suggest that the trait is likely influenced by multiple genes, likely around three. Therefore, the best answer is D, three genes.

Assume That You Are Studying a Trait Determined by a Number