Multiple Choice
Two people (both heterozygotes) are able to taste a chemical substance called PTC. The ability to taste PTC is caused by a dominant allele (T) . The inability to taste PTC is caused by a recessive allele (t) . What proportion of their children would be expected to have the tt genotype?
A) 3/4
B) 1/2
C) All
D) 1/4
E) 2/3
Correct Answer:

Verified
Correct Answer:
Verified
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