tS possible to get the notion that the egg is a cell; and a few years later (1845) the actual union of sperm and egg cells was dIrectly observed, a I tho ugh the sperm was not yet recognized as ...

Scientists have discovered how a sperm and an egg fuse together, in a way that resembles a ‘lock and key’. New research focuses on the mechanism that connects the two types of cells across ...

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 ...

They are also referred to as sex cells. Female gametes are called ova or egg cells, and male gametes are called sperm. Gametes are haploid cells, and each cell carries only one copy of each ...

All new babies start as an egg and a sperm, but where do those two cells come from in the first ... how a baby is conceived and born. Do the illustrations and animations in this clip represent ...