What proportion of his sperms will be abh?
[CBSE AIPMT 2004]
CONNECTING MINDS
Edited: Aug 08, 2021
A male - human is heterozygous for autosomal genes A and B and is also hemizygous for haemophilic gene h.
A male - human is heterozygous for autosomal genes A and B and is also hemizygous for haemophilic gene h.
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Correct Option (a)
Reason : The genotype of human male in question must be Aa Bb XʰY.
Hence 2x2x2 = 8 types of gametes would be formed. AB Xʰ, ABY, aB Xʰ.
aBY, Ab Xʰ, AbY, ab Xʰ, abY.
Hence, 1/8 proportion of his sperms would be abh.