If you're male, your body uses meiosis to create sperm cells; if you're female, it uses meiosis to create egg cells. Others cells in your body contain 46 chromosomes: 23 from your father and 23 ...

All new babies start as an egg and a sperm, but where do those two cells come from in the first place? Your reproductive organs produce the sex cells that make a baby. Sperm cells begin their life ...