Cell Division (Rev1)

Question 1

Chromosome

Answer 1

46 in pairs of 23
Cells with 2 lots of chromosomes(46)= diploid
Cells with one set(2)= haploid

Question 2

Gene

Answer 2

Section of DNA
Control characteristics
Recessive, dominant (alleles)

Question 3

Mitosis

Answer 3

Nucleus divides but are still in a single cell

Question 4

Stage one of Cell Division

Answer 4

Replications of DNA to form copies of each chromosome and synthesis of new sub-cellular structures

Question 5

Stage two of cell division

Answer 5

Nucleus divides but are still in a single cell (mitosis)

Question 6

Stage three of cell division

Answer 6

Cell divides into 2

Question 7

What is differentiation

Answer 7

When cells become specialised to do something (sperm, nerve, etc.)

Question 8

What are stem cells

Answer 8

Cells that are not specialised yet

Question 9

Where do stem cells come from

Answer 9

An embryo (baby in womb)

Question 10

Cloning plant cells

Answer 10

Making identical plants using stem cells to make another plant