## Genetics and Hardy Weinberg Equilibrium

Genetics as it applies to evolution, molecular biology, and medical aspects.

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OoBiologyoO
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### Genetics and Hardy Weinberg Equilibrium

Hello!

If 49% of a population is homozygous recessive, what is the allele frequency of the dominant allele?

The way I would do it is:
49% represents q^2, so p^2 is 51%, => square root of 51 = 7% approximately.

Would that be correct?

Thanks!

OoBiologyoO
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Ok well, apparently 51% and 7% are not correct answers. So I have no idea what the right answer is...

Any ideas?

OoBiologyoO
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Nevermind, the answer is 3% I am pretty sure.

mith
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P+Q=1...so take sqrt of q.
Living one day at a time;
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Accepting hardships as the pathway to peace;
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MrMistery
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yeah, dave is right. take the square root of 49/100 and you get 7/10. and since p+q=1 then the frequency of p is 1-0.7=0.3(which means 30%, not 3%)

Hey dave, remember that HW equation we scrwed up last year for like a week until we finally solved it?
"As a biologist, I firmly believe that when you're dead, you're dead. Except for what you live behind in history. That's the only afterlife" - J. Craig Venter

mith
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lol, that poor guy
Living one day at a time;
Enjoying one moment at a time;
Accepting hardships as the pathway to peace;
~Niebuhr

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