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11 years ago Edited: 11 years ago, fosmanali01
Gray eyes is a recessive trait. In a certain community of 200 people, 18 individuals have gray eyes.

Numerical Response:

How many are homozygous brown-eyed?

18 / 200 = 0.09

p + q = 1

p= 0.09 - 1

p =  0.91


p2 + 2pq + q2 = 1

0.91^2 + 2(0.91)(0.09) + 0.09^2 = 1

0.8281 + 0.1638 + 0.0081

So, is the answer 0.8281

Sorry for asking so many questions. I just want to be sure if I am using the Hardy-Weinberg equation correctly.
Post Merge: 11 years ago

Never mind. I already submitted the answer. Sorry.
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