Homework SourseTwo albino rats with the genotypes AAbb and aaBB are mated t
Two albino rats with the genotypes (AAbb) and (aaBB) are mated to each other. What proportion of the resulting progeny is expected to be albinos?
Solution
Answer:
AAbb x aaBB----------------parents
Ab aB-----------------gametes
AaBb---------------------F1 (colored)
AaBb x AaBb
aabb(albino)
Colored : albino
9:7
| AB | Ab | aB | ab | |
| AB | AABB | AABb | AaBB | AaBb |
| Ab | AABb | AAbb (albino) | AaBb | Aabb (albino) |
| aB | AaBB | AaBb | aaBB (albino) | aaBb(albino) |
| ab | AaBb | Aabb(albino) | aaBb(albino) | aabb(albino) |
