Question

The male and female gamete each contribute a
of the zygote's DNA material.

Answer 1

half

Step-by-step explanation:

Answer 2

Step-by-step explanation:

Half. Each gamete provides one set of chromosomes, or DNA material. All zygotes have 2 sets of chromosomes, one-half from the mother's gamete (egg) and one-half from the father's gamete (sperm).