Human egg and sperm are similar in they ________.

A) have about the same number of each is produced each month
B) are about the same size
C) have the same degree of motility
D) have the same number of chromosomes

Chromosomes

Thread-like structures located inside the nucleus of animal and plant cells, made of protein and a single molecule of deoxyribonucleic acid (DNA).

Sperm

The male reproductive cells capable of fertilizing a female's egg to produce offspring.

Egg

The female reproductive cell or gamete in animals and plants; an ovum.