Sex linkage Flashcards
1
Q
What is sex linkage
A
Where the gene is present on the X or Y chromosome.
2
Q
Why may men be affected by certain conditions whereas women may not?
A
Men carry a Y chromosome that is signficantly shorter than the X chromosomes. If they carry a recessive allele on the X chromosome, that recessive will always be expressed as the chromosones are not homologous.
3
Q
What chart can be used to track sex linked inheritance?
A
Pedigree chart