What happens during fertilization in sexual reproduction?

Question

A.
two haploid gametes combine and form a diploid zygote

B.
two diploid gametes combine and form a haploid zygote

C.
two haploid zygotes combine and form a diploid gamete

D.
two diploid zygotes combine and form a haploid gamete

Answer 1

The correct answer is:

A. two haploid gametes combine and form a diploid zygote.

During fertilization in sexual reproduction, two haploid gametes (one from each parent) come together to form a diploid zygote, which has two sets of chromosomes, one from each parent.