Cell Division Flashcards
0
Q
What are gametes?
A
Sex cells, eg . Female eggs and male sperm , they only have one set of 23 chromosomes each
1
Q
How many sets of chromosomes do body cells contain?
A
Two sets of 23 , overall 46
2
Q
Mitosis is?
A
Cell division , forma two cells each with same number of chromosomes as parent cells
3
Q
Meiosis is?
A
Cell division that forms two cells with half number of chromosomes of parental cell
4
Q
Why is variation caused?
A
Due to combination or mother and fathers genes
5
Q
Mitosis occurs …
A
For growth, repair and asexual reproduction
6
Q
Meiosis occurs…?
A
In the testes and ovaries
7
Q
Gametes only contain?
A
One set of 23 chromosomes
8
Q
Female sex chromosomes are ?
A
XX
9
Q
Male sex chromosomes are?
A
XY
