DNA in cells
Inside every animal or plant cell is a nucleus which contains chromosomes.
The number of chromosomes will vary depending on the species as follows:
Humans – 46
Dogs – 78
Chives – 16
Fruit fly – 8
Chimpanzees – 48
Gorillas – 48
King crab – 208
Adders tongue fern – 240
Orchid – 56
One chromosome can be shown like this:
Chromosomes are made of coiled up DNA
DNA is short for Deoxyribonucleic acid
