In humans, there is a phenotype for curly hair and a phenotype for straight hair. The homozygous dominant genotype CC is for curly hair, and the homozygous recessive genotype cc is for straight hair. Heterozygous Cc is a phenotype for wavy hair. In a hypothetical population, 36% of people are born with straight hair (cc). What percentage of this population will have wavy hair?

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Biology

Jadon Knapp

18 September, 03:55

In humans, there is a phenotype for curly hair and a phenotype for straight hair. The homozygous dominant genotype CC is for curly hair, and the homozygous recessive genotype cc is for straight hair. Heterozygous Cc is a phenotype for wavy hair. In a hypothetical population, 36% of people are born with straight hair (cc). What percentage of this population will have wavy hair?

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Puppy · Answer 1

Using the Hardy Weinberg equation p^2+2pq+q^2=1 and p+q=1 q^2 =.36 (the proportion of homozygous recessive) q =.6 p =.4 2pq =.48 48% of the population will have wavy hair.