What fraction of the offspring from a cross between two animals with the genotype AaBbCc are expected to be homozygous recessive for the three traits?
A) 1/4
B) 1/8
C) 1/16
D) 1/64

Question

Quizplus · Accepted Answer

Each trait (A, B, C) has a 1/4 chance of being homozygous recessive (aa, bb, cc) when crossing Aa x Aa, Bb x Bb, and Cc x Cc. The probability of all three traits being homozygous recessive simultaneously is (1/4) * (1/4) * (1/4) = 1/64.

What Fraction of the Offspring from a Cross Between Two