Mammoth Memory

DNA in cells

Inside every animal or plant cell is a nucleus which contains chromosomes.

A cell contains a nucleus which contains chromosomes which differentiate to the species

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:

Image of a magnified chromosome 

Chromosomes are made of coiled up DNA

Chromosomes are made of coiled up strands of DNA

DNA is short for Deoxyribonucleic acid

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