B1. You and your genes
- Created by: Kenna Courtman
- Created on: 26-04-10 12:26
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Antigen is the male hormone.
Each of our body cells have 46 chromosomes (23 pairs)
Gene - controls a characteristic
Allelle - different form of gene
Gene - hair colour, Allele - blonde, brown, black, red etc
Gene - Eye colour, Allelle - blue, brown, green etc
Gene - Blood type, Allelle - A,B,AB,0
Some genetic diseases
Allelles can be: dominant = need one copy eg black hair or recessive = need two copies eg blonde hair
Genetic crosses (punnet squares)
Mum is a carrier of cystic fybrosis and dad has cystic fybrosis
CF…
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