What is the genotype of a man who can taste PTC?

Question

A man who can taste PTC, but whose mother could not, marries a woman who can taste PTC, but whose father could not.

What is the genotype of the man?

What is the wife's genotype?

Answer 1

Favorite Answer

Tasting PTC is a dominant trait. So anyone who can taste it has at least one PTC+ allele.

However, anyone who cannot taste it, is a homozygote for the recessive allele, and will only pass a recessive allele to their kids.

Knowing this, you should be able to figure out what their genotypes are.

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