Bio T3 Sex -linked genetic diseases
- Created by: Claudiacumberpatch
- Created on: 04-03-20 20:57
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- Sex linked genetic disorders
- Characteristic is sex-linked if allele that codes for it is located on sex chromosomes (x or y)
- Girls have ** Boys have XY Only boys have y chromosome often have 1 allele for sex-linked genes
- Boys only have 1 allele so characteristic of this allele expressed even if recessive, men more likely to have sex- linked genetic diseases (usually recessive) as there is nothing to dominate recessive allele
- Caused by faulty alleles on sex chromosomes
- Y chromosome is shorter than x chromosome so carries fewer genes, most genes on x
- Girls have ** Boys have XY Only boys have y chromosome often have 1 allele for sex-linked genes
- Boys only have 1 allele so characteristic of this allele expressed even if recessive, men more likely to have sex- linked genetic diseases (usually recessive) as there is nothing to dominate recessive allele
- Girls have ** Boys have XY Only boys have y chromosome often have 1 allele for sex-linked genes
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