sex linkage Flashcards
1
Q
what are the male chromosmoes
A
xy
2
Q
what are the feamle chromosome
A
xx
3
Q
why are genetic diseases more likely to be passed along the male gene
A
becuase the x chromosome only carries the allele there is double the chance of it being masked by a domininat allele on a female compared to a male
4
Q
what is heamophilia
A
where you lack a specific protien in the body that cuases blood to clot
5
Q
what are the two inhereted diseases mainly passed on by males
A
heamophilia
colour blindness
6
Q
why is the male mostlikely to contract heamophilia or colour blindness
A
because the y chromosome is much shorter than the x chromosome there is no homologous portion of the y equivalent to the x
7
Q
A
