About 7% of men in a population are red-green colour blind due to a sex-linked recessive gene. Assuming random mating in the population with respect to colour blindness; c) What percentage of men would be colour blind in the next generation?
About 7% of men in a population are red-green colour blind due to a sex-linked recessive gene. Assuming random mating in the population with respect to colour blindness; c) What percentage of men would be colour blind in the next generation?
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About 7% of men in a population are red-green colour blind due to a sex-linked recessive gene. Assuming random mating in the population with respect to colour blindness;
c) What percentage of men would be colour blind in the next generation?
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Problem 4) About 7% of men in a population are red-green colour blind due to a sex-linked
recessive gene. Assuming random mating in the population with respect to colour blindness;
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a) What percentage of women would be expected to be colour blind?-
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If it is given that 7% of men in a population that is in Hardy-Weinberg equilibrium are recessive for
red-green colour blindness, then it is known that q=0.07 in this population because only x-linked allele
is necessary for a man to inherit the recessive trait which refers to the probability of X chromosomes
carrying the colour blindness allele. Therefore, the frequency of women as the homozygous recessive
is q?=(0.07)-0.0049. Thus, the % of women would be expected to be colour blind is 0.49%.t
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b) What percentage of women would be expected to be heterozygous?
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As it is given that q=0.07 is the probability of sex-linked gene for colour blindness,
so it is known that p=0.93, considering ptg=1 in Hardy-Weinberg theorem.
Therefore, the frequency of heterozygotes is estimated as 2pq-2(0.93)(0.07)=D0.1302.
Thus, the % of women would be expected to be heterozygous is 13.02%.
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c) What percentage of men would be colour blind in the next generation?<
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