Cell Divison, Genetic Engineering Flashcards
1
Q
How many chromosomes are in human body cells
A
46 chromosomes
2
Q
How many sets of a chromosomes are in the human body cell
A
2 sets, one from the mum and one from the mum
3
Q
What are two sets of chromosomes called
A
Diploid cells
4
Q
What is the name of how many chromosomes a cell contains called?
A
Chromosome complement
5
Q
What are chromosomes made of?
A
Chromatids
6
Q
What joins the chromatids at the centre?
A
The centromere
7
Q
Why do cells need to divide?
A
They need to divide for a number of reasons:
When unicellular organisms divide, they form a complete copy of themselves
Multi organisms divide to produce more cells for growth and repair
