According to the Hardy-Weinberg equilibrium, the frequency of the ”h” allele in the population is 0.005. Part A What is the frequency of the ”N” allele in the population? Part B What is the expected proportion of people in the population who are carriers of the Huntington’s disease? Part C What is the expected proportion of people in the population who are non-carriers of the Huntington’s disease? Part D What is the expected proportion of people in the population who will develop Huntington’s disease?

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Chapter14: Biotechnology And Society
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Huntington’s Disease A population of people has a gene that determines whether they will develop
Huntington’s disease. The gene has two alleles, ”N” for normal allele and ”h” for the Huntington’s allele.
According to the Hardy-Weinberg equilibrium, the frequency of the ”h” allele in the population is 0.005.


Part A
What is the frequency of the ”N” allele in the population?
Part B
What is the expected proportion of people in the population who are carriers of the Huntington’s disease?
Part C
What is the expected proportion of people in the population who are non-carriers of the Huntington’s disease?
Part D
What is the expected proportion of people in the population who will develop Huntington’s disease?

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