Topic 6 X And Y Chromosomes Flashcards
1
Q
What is the 23rd pair of chromosomes labelled as
A
XY or XX
2
Q
What does the 23rd chromosomes Determine 
A
Whether you are a male or female
3
Q
What is the male chromosome
A
XY
4
Q
What is the female chromosome
A
XX
5
Q
When making sperm what happens at the first division of meiosis to the X and Y chromosomes
A
They are drawn apart there’s a 50% chance a sperm so Will get a X and 50% chance to get to Y chromosome
6
Q
What happens in meiosis of eggs to the X And Y chromosomes
A
The original cell has 2X chromosomes so all the eggs have one X chromosome
