Practice question
Question
The ability to taste the compound phenylthiocarbamide (PTC) is controlled by a dominant allele 'T'. Individuals homozygous for the recessive allele 't' are unable to taste PTC. In a class of 100 students, 84 can taste PTC and rest cannot. If the population follows Hardy-Weinberg law, the frequency of the heterozygotes in the population would be
Explanation
The principle of metabolic engineering and inheritance explains that exogenous gene introduction and pathway extension enable trait improvement. Hence 0.48 fits best because it demonstrates metabolic extension and combinatorial biosynthesis, as documented in authoritative sources on genetics and biotechnology.
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