Question

Imagine there is a frog with 2 genes on the same chromosome that are linked: a gene for spots or no spots (P or p), and a gene for yellow or blue skin coloring (Y or y). Spots and blue skin are the dominant traits. One parent is heterozygous for both traits, and the other parent is homozygous for no spots and yellow skin. After breeding, the F1 generation is as follows:
Spots and Blue skin: 80
Spots and Yellow skin: 12
No spots and Blue skin: 18
No spots and Yellow skin: 90
A. Which are the recombinant phenotypes?
B. How do you know they are recombinant?
C. What alleles would

Answer 1

@SolomonZelman

Answer 2

@jgirl128

Answer 3

@dan815