X And Y Chromosomes Flashcards
1
Q
What is the chromosome combination for all men?
A
XY
2
Q
What is the chromosome combination for all women?
A
XX
3
Q
What is the chance of getting an X or Y chromosome in a sperm cell?
A
50/50
4
Q
What is the chance of getting a Y chromosome in an egg cell?
A
0%, it has to be X
5
Q
What is the probability of having a boy?
A
50% as if you draw a genetic diagram there are two XY combinations
6
Q
What does the 23rd pair of chromosomes determine?
A
Gender
