17.6&17.7: Sex-linkage and autosomal linkage Flashcards
1
Q
Sex chromosomes in humans
A
X and Y
2
Q
Sex chromosomes in females and males
A
females: XX
males: XY
3
Q
Y chromosome
A
in males
smaller and shaped differently
4
Q
The genetic information for biological sex is carried on
A
two sex chromosomes
5
Q
Sex linked
A
An allele that codes for a characteristic that is found on a sex chromosome
6
Q
Most genes on the sex chromosomes are carried on?
why?
A
x chromosome
it is larger
7
Q
Autosomal
A
non-sex chromosome
8
Q
Autosomal genes
A
genes carried on the autosomes
9
Q
Genes on the same autosome
A
are linked
10
Q
Why are genes on the same autosome linked?
A
they will stay together during independent segregation of chromosomes and their alleles will be passed onto the offspring together
11
Q
Reason why linked genes won’t stay together
A
crossing over
