You perform a dihybrid cross between two plants that have traits expressing a simple dominance relationship.Then,you self the F? generation and analyze the progeny.How many degrees of freedom do you have for your chi-square test?
A) 1
B) 2
C) 3
D) 4
E) 5

Question

Quizplus · Accepted Answer

In a dihybrid cross, there are four phenotypic classes (9:3:3:1 ratio). Degrees of freedom are calculated as the number of phenotypic classes minus one, so 4 - 1 = 3.

You Perform a Dihybrid Cross Between Two Plants That Have