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Home Q & A Board Biology-Related Homework Help General Biology
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ela ela
wrote...
12 years ago
One-thousand individuals were screened for their genotype at the MN blood group locus. The numbers of each genotype were:


      MM      MN      NN
      298      489      213

Assuming random mating, calculate the gene frequency for the M allele and the expected genotype frequencies. Use the chi-squared test to determine that mating is random.
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wrote...
#1
12 years ago
i dont remember how to use chi squared but for the gene frequency, its p^2+2pq+q^2=1
here we have, p^2=.298, q^2=.213 so p=.54, q=.46 and to double check your values you can test that 2pq=.489 and if you plug in .54 and .46 youll see its true. so the gene frequency for the M allele is .54
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