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In: Biology

For Problems 1(filling in the table) and 2, let's use the following numbers: With the total...

For Problems
1(filling in the table) and 2, let's use the following numbers: With the total
number of people being 34, 10 have a straight hairline and 24 have a widow's
peak. Those are the numbers to put in the No. columns for the class population.
From there, you will need to calculate the percentage for each value. Then,
calculate q. Then calculate p.

  1. Determine allelic frequencies and phenotypic proportions of widow’s peak and straight hairline.

                                            Phenotypes                                                 Allele Frequency

Widow’s Peak

(p2 + 2pq)

Straight Hairline

(q2)

p

q

Class

Population

No.               %

No.              %

North American Population

        0.69

         0.31
  1. What is the percentage of heterozygous widow’s peak (2pq) in the class?

(SHOW YOUR WORK)

  1. What percentage of the North American population is heterozygous for widow’s peak? (SHOW YOUR WORK)
  1. The allele for free earlobes is dominant over the allele for attached earlobes. In a population of 1,000 individuals, 510 show the dominant phenotype. How many individuals would you expect of each of the possible three genotypes for this trait? (SHOW YOUR WORK)

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gladiator answered 4 months ago
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