In Humans, the Male Determines the Sex of the Child

Question

In humans, the male determines the sex of the child because males have
A) two Y chromosomes.
B) 46 chromosomes.
C) two X chromosomes.
D) one X and one Y chromosome.

Accepted Answer

Males have one X and one Y chromosome, and the presence of the Y chromosome determines male sex. During reproduction, males can pass either an X or a Y chromosome to the offspring, thus determining the sex.