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Drupady [299]
3 years ago
10

The ability to taste the chemical PTC is determined in humans by a dominant allele T, with tasters having the genotypes Tt or TT

and non-tasters having tt. If you discover that 36 percent of the members of a population cannot taste PTC, then according to the Hardy-Weinberg rule, the frequency fo the T allele should be:
a. 0.4
b. 0.6
c. 0.64
d. 0.8
Biology
1 answer:
zhenek [66]3 years ago
5 0

Answer:

Option A

Explanation:

The genotypic frequency for tt (q²) = 36% = 36/100 = 0.36

To calculate for the allelic frequency of t which is q, we have to find the square root of q² to do this. Thus

√q² = √0.36 = 0.6 this q = 0.6

The allelic frequency p for the T allele can then be calculated using this formula p + q = 1

Where q is 0.6 thus p= 1 - 0.6 = 0.4.

This the allelic freq of T is 0.4

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