8 gene linkage Flashcards
1
Q
how gene linkage works
A
close together genes more likely to be inherited together aka linked
genes on separate chromosomes are never linked
2
Q
how distance of genes effects linkage
A
genes that are further away are more likely to be seperated during over so are not linked
more likely to create recombinant chromosomes
3
Q
chromosome mapping
A
genetic linkage can be used to make a map of a chromosome
greater recombinant frequency- further apart on chromosome
4
Q
recombinant frequency equation
A
recombinant frequency = recombinants/ total offspring (x100 for %)
5
Q
homogametic
A
same sex chromosome (23) xx female
6
Q
heterogametic
A
different sex chromosome xy male
7
Q
why some genes are sex linked
A
carried on sex chromosome
inherited in different frequencies by men and women
