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28 Sep 2019
. About 70% of Americans get a bitter taste from the substancecalled phenylthiocarbamide (PTC). It is tasteless to the rest. The"taster" allele is dominant to non-taster. Also, normal skinpigmentation is dominant to albino. A normally pigmented woman whois taste-blind for PTC has an albino-taster father. She marries analbino man who is a taster, though the man's mother is anon-taster.
A. Whatare the genotypes of the woman and man?
- B. What phenotypesand in what proportion would you expect in their children?
. About 70% of Americans get a bitter taste from the substancecalled phenylthiocarbamide (PTC). It is tasteless to the rest. The"taster" allele is dominant to non-taster. Also, normal skinpigmentation is dominant to albino. A normally pigmented woman whois taste-blind for PTC has an albino-taster father. She marries analbino man who is a taster, though the man's mother is anon-taster.
A. Whatare the genotypes of the woman and man?
- B. What phenotypesand in what proportion would you expect in their children?
Lelia LubowitzLv2
30 Sep 2019
