Information Sheet 1: Chromosomes and You

SKIN CELLS

Nucleus containing 46 chromosomes

MUSCLE CELLS

Nucleus containing 46 chromosomes

Sperm are made in the man’s testes

Eggs are made in the woman's ovaries

SO...when fertilisation takes place

…..An egg cell containing 23 chromosomes joins with a sperm cell containing 23 chromosomes to make a zygote or fertilised egg cell containing 46 chromosomes and…

…this is the beginning of a unique individual

» Go top