B2 - Mitosis Flashcards
1
Q
How many chromosomes do body cells have and why?
A
23 pairs, one copy from each parent.
2
Q
What does mitosis make?
A
Identical cells.
3
Q
What is the definition of mitosis?
A
Mitosis is when a cell reproduces itself by splitting to form two identical offspring.
4
Q
What is the DNA like in a cell that’s not dividing?
A
Spread out in long strings.
5
Q
What are the stages of mitosis? [
A
1) Copies all chromosomes.
2) Splits equally between two new nuclei.
3) The cytoplasm divides.
6
Q
What are the uses of mitosis and why? [3-1]
A
Makes new cells for growth, repair & asexual reproduction.
There is no variation.
