fertilization

• The sperm head contains the nucleus, which carries genetic material.
• The male sex cell is the sperm cell.
• The female sex cell is the egg cell
• Gamete production begins during puberty when hormones stimulate the testes to produce sperm or ovaries to produce eggs.
• Sex cells are also called gametes.
• Fertilization occurs when a sperm fuses with an egg.
• During sexual reproduction, two parents contribute their genes to create offspring that inherit traits from both parents.