Question: Genes a and b are 20 cM apart. An a+b+/a+b+ individual was mated with ab/ab individual. a. Diagra…

Genes a and b are 20 cM apart. An a+b+/a+b+ individual was mated
with ab/ab individual. a. Diagram the cross and show the gametes
produced by each parent and the genotype of F1. b. What gametes can
the F1 produce, and in what proportions? (For part b.) how do you
find the proportions to be : 40% a+ b+, 40% a b, 10% a+ b, 10% a
b+)