For Humans, Which Parent's Gamete Will Determine the Sex of the Child

Multiple Choice

For humans, which parent's gamete will determine the sex of the child?

A) The father, because his gametes only contain the Y chromosome.
B) The mother, because her gametes only contain the X chromosome.
C) The father, because his gametes can contain either the X or the Y chromosome.
D) The mother, because her gametes can contain either the X or the Y chromosome.
E) Either parent, because the random mixing of gametes determines the sex of the child.