How Many Gene Pairs are Involved in Generating a Typical

Question

How many gene pairs are involved in generating a typical 1:4:6:4:1 ratio?
A)3
B)4
C)2
D)6

Accepted Answer

A 1:4:6:4:1 ratio is typical of a dihybrid cross involving two gene pairs, where each gene pair has two alleles showing incomplete dominance or codominance.