A student proposes that left-handedness is a recessive trait and is hidden in much of the human population. A survey of his class of 36 students finds that 9 students are left-handed. Using the Hardy-Weinberg formula, what would be the expected allelic and genotypic frequencies in this theoretical population?
A. P =.75 q =.25;
p2 =.56, 2pq =.25, q2=.25
B. P =.27 q =.09;
p2 =.07, 2pq =.048, q2=.00479
C. P =.5 q =.5;
p2 =.25, 2pq =.50, q2=.25
D. They cannot be estimated using these limited data.
Answer: C
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