NEET 2004 Biology question

A male human is heterozygous for autosomal genes A and B and is also hemizygous for hemophilic gene h. What proportion of his sperms will be abh :-

(1)1/32
(2)1/16
(3)1/4
(4)1/8Correct

Answer: (4)

Solution

The male genotype is , with the hemophilic allele h on the X chromosome. Assuming independent assortment of the autosomal genes (A and B on different chromosomes) and of the sex chromosomes, meiosis gives four equally likely combinations of the

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Question ID VK-089476