X and Y chromosomes Flashcards
1
Q
What do 22 of the matched pairs of chromosomes do?
A
Control characteristics
2
Q
What does the 23rd pair do?
A
decide what sex you are
3
Q
Males have XY…
A
Y causes male charecteristics
4
Q
Females have XX…
A
XX allows female characteristics to develop
5
Q
What is the chance of getting X or Y chromosomes?
A
50%
6
Q
How do you find the probability of getting which sex?
A
genetic diagram
