In humans, the polydactyly (polydactyl) gene dominates the normal structure of the hand. The wife has a normal hand

In humans, the polydactyly (polydactyl) gene dominates the normal structure of the hand. The wife has a normal hand, the husband is heterozygous for the polydactyly gene. Determine the probability of the birth of a multi-toed child in this family

Given:
A gene of polydacty
a-normal gene

Find: F-?

Decision:
R: (g) aa x (m) Aa
G: (a) (a) x (A) (a)
F: aA aa aA aa

Answer: 50% chance

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