{B1}{Variation and Inheritance}2
- Created by: Em
- Created on: 04-01-13 13:50
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Inheritance of Sex:
Gender (in mammals) is determined by the sex chromosomes: **- female; XY - male. Egg cells all carry X chromosomes. Half of sperm cels carry X chromosomes and half carry Y chromsomes.
The sex of an individual depends on whether the egg is fertilised by an X- or Y- carrying sperm.
- An egg fertilied by an X sperm will become…
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