In humans, the gene that causes one of the forms of hereditary deafness is recessive to the gene for normal hearing.
| December 19, 2020 | education
In humans, the gene that causes one of the forms of hereditary deafness is recessive to the gene for normal hearing. Calculate what offspring can be expected from a marriage of heterozygous parents.
Given:
A-normal hearing
a-deafness
♀️Aa
♂️Aa
Find: F1-?
Decision:
R: ♀️Aa * ♂️Aa
G: A a * A a
F1: AA (25% – normal hearing)
AA (50% – normal hearing)
aa (25% deafness)
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