1.

The sex of a child is determined by which of the following ? (a) the length of the mother's pregnancy (b) the length of time between ovulation and copulation (c) the presence of an X chromosome in an ovum (d) the presence of a Y chromosome in a sperm

Answer»

The sex of a child is determined by which of the following ?

(a) the length of the mother's pregnancy

(b) the length of time between ovulation and copulation

(c) the presence of an X chromosome in an ovum

(d) the presence of a Y chromosome in a sperm



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