Inheritance of sex Flashcards
1
Q
A
2
Q
what chromosomes do the father cell contain?
A
XY chromosome
3
Q
what chromosomes do the mother cells contain?
A
XX chromosomes
4
Q
what chromosomes do the two eggs have?
A
always an X chromsome each
5
Q
how are eggs made?
A
cells in the ovaries divide
6
Q
how is sperm made?
A
cells in the testes divide
7
Q
what chromosmes can sperm have?
A
either one X chromosome
or one Y chromosome
NOT BOTH
8
Q
whats the probability of a baby being a boy or a girl?
A
50%
