Question

What will be the sex of the child if the zygote has inherited an X-chromosome from the father?

• A. Male
• B. Female
• C. Can be both male or female
• D. Cannot be determined by X-chromosome alone

Answer 1

The correct option is B Female

The genetic constituion of the male is XY, while female is XX. Sex of the child is determined at the time of fertilisation. It is dependent on the chromosome contributed by the father. Mother always contributes an X-chromosome. So, if the father contributes an X-chromosome then the child will be female. On the other hand if he contributes Y-chromosome then the child be male. So, as per the information given, the child will be female.