Whose chromosomes determine the sex of a child?

1 Answer
Ayse K.
Mar 19, 2018

The Father's

Explanation:

Females have a double X when it comes to gametes, so they will always pass on an X chromosome to their offspring.

Males, however, have an X and a Y chromosome. So there is always a 50% of the offspring being a male or a female, all because of the father.

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