A male rabbit with genotype GgBb x with a female rabbit with genotype ggbb. Set up the Punnett square and determine the expected offspring and their proportions.

Question

Biology

Chang

3 May, 04:58

A male rabbit with genotype GgBb x with a female rabbit with genotype ggbb. Set up the Punnett square and determine the expected offspring and their proportions.

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Dickerson · Answer 1

25% all with genotype; GgBb, Ggbb, ggBb, ggbb.

Explanation:

1. Male rabbit genotype = GgBb;

so, gametes are; GB, Gb, gB, gb

female rabbit = ggbb

so, gametes are; gb all.

2. Cross between these rabbits = GgBb * ggbb

Punnett square;

GB Gb gB gb

cross with gb

3. So, progeny are GgBb, Ggbb, ggBb, ggbb

So, all genotypes are 25%.