A plant has two alleles for color. the red allele is recessive and is represented by q. the purple allele is dominant, and repre
sented by p. if 59 of 100 organisms are red, what is q?
A 0.48
B 0.77
C 0.23
D 0.59
1 answer:
Answer: B. 0.77
Explanation:
We should note that from the Hardy-Weinberg law, the formula used is:
p²+ 2pq+ q² = 1
From the information given,
p = purple allele
q = red allele
q² = 59/100 = 0.59
Then, the frequency of the red allele that is recessive will be:
q² = 0.59
q= √0.59
q = 0.768.
q = 0.77
Therefore, the correct option is B.
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