Homework Answers
Answer:
d. 7.5
Explanation:
The frequency of recessive X-linked disease is equal to the frequency of recessive allele in male as males have only one X-chromosome.
The frequency of recessive allele = q = 300/12000 = 0.025
The frequency of recessive trait in female = qq = 0.025 * 0.025 = 0.000625
Number of affected female individuals = 0.000625 * 12000 = 7.5
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