The ability to taste the chemical, phenylthiocarbamide (PTC),
is determined by a gene on chromosome 7...
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Biology
The ability to taste the chemical, phenylthiocarbamide (PTC),is determined by a gene on chromosome 7 that shows dominantinheritance. PTC-like chemicals are found in vegetables likebroccoli and cabbage. Tasters don’t enjoy eating these types ofvegetables while non-tasters don’t notice this bitter taste inthese vegetables. (T= ability to taste PTC; t= non-taster)Determine the probability that the following couples (a, b,and c) will have a non-taster child. Support your answer with aPunnett square.
Two tasters, who are both heterozygous:
A non-taster marries a taster who is homozygous:
Two non-tasters:
Can a non-taster have 2 biological parents that are bothtasters?
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Alleles of the trait tasting areT ability to taste PTC dominant allelet nontaster recessive alleleGenotypes and phenotypes areTT TasterTt Tastertt Non tastera Punnet squareBoth parents are
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