Answer:
sperm cell
Explanation:
The male portion of a zygote is called the sperm cell. The sperm cell are produced by the male organism and they fertilize the eggs.
- The female portion of the zygote is called the egg cell.
- During fertilization, the male sperm cell and the female egg cells unites.
- The unity forms a zygote.
- This zygote continues to develop into a viable offspring
