In humans, the pitch of the singing voice is determined by one gene with incomplete dominance
| June 22, 2021 | education
In humans, the pitch of the singing voice is determined by one gene with incomplete dominance: AA-bass in men and alto in women, Aa-baritone in men and mezzo-soprano in women, aa-tenor in men, soprano in women. What voice can a son have if dad has a bass and mom has a mezzo-soprano? your daughter?
A man with a bass – AA produces sperm A.
Woman with mezzo-soprano – Aa produces eggs a and A.
The possible offspring of this married couple is formed by the following options:
boy with bass, or girl with viola – AA genotype, probability – 50%;
a boy with a baritone, or a girl with a mezzo-soprano – genotype Aa, probability – 50%.
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