4. A recessive X-linked character appears in 40 percent of males in a randomly i

Question

4. A recessive X-linked character appears in 40 percent of males in a randomly interbreeding population. Assume only two alleles are present and the population is at Hardy-Weinberg equilibrium A. What are the allele frequencies? (2 points) B. What is the frequency of heterozygous females? (2 points) C. What is the frequency of females with the disorder? (2 points) D. What is the frequency of heterozygous males? (1 point) E. What will be the frequency of the recessive allele in males in 15 generations? (1 point)

Explanation / Answer

Answer=

A]Allele frequencies are = 40/100

= 0.4

because the frequency of males with trait will directly reflect the allele frequency.

B]frequency of heterozygous female is

= (0.4)2

=0.16

C]Frequency of female with this disorder

=0.6

D] Frequency of heterozygous male

= 0

there are no heterozygous males (X-linked gene)

because is an X -linked recessive disorder.

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