Sex-Linked Genetic Traits Flashcards
1
Q
What is the chromosome combination for females?
A
XX
2
Q
What is the chromosome combination for males?
A
XY (Y is shorter - hence having fewer genes to correspond to the alleles present within the X chromosome)
3
Q
What does the term hemizygous mean? And to whom is it relevant?
A
It refers to an individual having one member of a chromosome pair rather than the usual two. This is relevant only to male species as they only have one X chromosome, a corresponding chromosome is not present, but rather - A y chromosome is there.
4
Q
Why are some genetic traits more common in males than females?
A
