In the figure below,the grey boxes represent the offspring of parents that are heterozygous at locus 1 (Aa)and locus 2 (Bb).Which of the grey boxes represent repulsion double heterozygote offspring?
A)Light grey
B)Medium grey
C)Dark grey
D)B and C
E)All of the above

Question

In the figure below,the grey boxes represent the offspring of parents that are heterozygous at locus 1 (Aa)and locus 2 (Bb).Which of the grey boxes represent repulsion double heterozygote offspring? 
A)Light grey 
B)Medium grey 
C)Dark grey 
D)B and C 
E)All of the above

Quizplus · Accepted Answer

The dark grey boxes represent repulsion double heterozygote offspring because they have the A and b alleles on one chromosome and the a and B alleles on the other chromosome, which is the defining characteristic of repulsion phase linkage. The light grey and medium grey boxes represent parental combinations and coupling phase linkage, respectively.

In the Figure Below,the Grey Boxes Represent the Offspring of Parents