A) Only grand children
B) Only sons
C) Only daughters
D) Both [b] and [c]
Correct Answer: D
Solution :
[d] In the given problem, the woman has an X-linked condition and she can transmit the carrier allele to both her son and daughter. The resulting son will be affected because X-linked disorder always affect males as males contain a single X-chromosome. The daughter offspring will be a carrier, but not diseased because females are affected by X-linked disorder in homozygous recessive condition only, i.e. two recessive alleles are required. Hence, out of the 4 offspring possible 25% of sons are diseased and 25% are normal. Similarly, 50% daughters normal out of which half are carriers.You need to login to perform this action.
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