B1
- Created by: lisa
- Created on: 18-12-12 16:16
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- B1 You and your Genes
- You have 23 pairs of Chromosomes
- Chromosomes are made from DNA
- Male have X&Y Chromosomes
- Female have two X Chromosomes
- parents pass on Genes in their sex cells
- Alleles:Different versions of Genes in a pair
- Dominant: You only need 1 copy to have its features
- Recessive: Must have 2 copies to have its features
- Dominant: Represented by CAPITALS
- Resessive: Represented by a lower case
- Genetic features:eyes gender,Genetic diseases
- Enviromental features:scares strenght personality
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