A) sperm cell.
B) stem cell.
C) zygote.
D) All of the answer choices are correct.
E) skin cell.

A) ovaries and bone marrow.
B) bone marrow.
C) ovaries.
D) testes.
E) testes and ovaries.

A) the products of fertilization would have more chromosomes than their parents.
B) the products of fertilization would have fewer chromosomes than their parents.
C) the products of fertilization would have the same number of chromosomes as their parents.
D) the embryo would be diploid.
E) fertilization could not occur.