Cell Division

Question 1

Mnemonic to remember the stages of mitosis:

Answer 1

I play music at the club

Question 2

Chromosome

Answer 2

Stand of DNA packed into 23 pairs

Question 3

Diploid

Answer 3

Cell has 2 versions of each chromosome (one from each parent)

Question 4

Haploid

Answer 4

Half the genetic material

Question 5

Example of haploid

Answer 5

Gametes

Question 6

Interphase

Answer 6

1
To prepare for cell division each chromosomes is copied

Question 7

Prophase

Answer 7

2
The nuclear membrane breaks down so chromosomes can move

Question 8

Metaphase

Answer 8

3
Chromosome line up in the central of the cell

Question 9

Anaphase

Answer 9

4
The 2 copies of each chromosome are pulled apart by spindle fibres

Question 10

Telophase

Answer 10

5
The chromosomes move to different sides of the cell and nuclear membranes reform. Cell begins to split in two.

Question 11

Cytokinesis

Answer 11

6
The cell completely splits in 2 cells (daughter cells) which are genetically identical to each other, and to the original parent cell.

Question 12

Which cells divide by mitosis?

Answer 12

Most cells in the body

Question 13

Which cells do not divide by mitosis, and how do they divide?

Answer 13

Sex cells (meiosis)
Neurons (neurogenesis in some brain regions)
Red blood cells (no nucleus)

Question 14

What form of reproduction is based on mitosis?

Answer 14

Asexual reproduction

Question 15

Give 3 examples of organism which reproduce using mitosis

Answer 15

Aphids
Yeast
Malaria parasite

Question 16

What happens when mitosis goes wrong?

Answer 16

Usually cells only divide at certain times
Sometimes control stops working and cells divide uncontrollably
This is cancer