Multiple choice

The fusion of sperm and egg initially results in formation of _______.

  1. zygote

  2. gametes

  3. embryo

  4. foetus

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

When sperm fertilizes an egg, they fuse to form a zygote - a single diploid cell. The zygote then undergoes cell division to develop into an embryo and eventually a fetus. Gametes are the reproductive cells themselves, not the product of their fusion.