L-20 Flashcards
1
Q
What are sex linked traits?
A
Traits that involve genes on the sex chromosomes
2
Q
Why can’t males be homo or heterozygous for a X linked gene/trait?
A
They will only have one copy of the gene- from the mother
3
Q
Why can’t a father pass an X linked trait onto a son?
A
Sons will only recieve a fathers Y chromosome which doesn’t have a copy of the gene
4
Q
Can males be carriers for X linked genes?
A
No- either effected or normal
5
Q
What is the approximate recombination frequency of unlinked genes?
A
50%
6
Q
What is a centimorgan (cM)?
A
100 X recombination frequency
