Chromosomes mind map
- Created by: mabelbaxter
- Created on: 25-10-21 11:43
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- Chromosomes
- The nucleus of a cell contains chromosomes made of DNA.
- each chromosome carries hundreds and thousands of genes.
- different genes contain the code to make different proteins and so control the development of different characteristics.
- In body cells the chromosomes are found in pairs with one chromosome from each parent.
- different species have different numbers of pairs of chromosomes.
- humans have 23 pairs and dogs have 39 pairs.
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