Chromosomes, DNA and genes Flashcards
1
Q
The DNA in almost all cells are how long?
A
2 metres.
2
Q
Which cells are not that length?
A
Red blood Cells and Sperm or Egg.
3
Q
What structures are they coiled into?
A
Chromosomes.
4
Q
Where are they found?
A
In the nucleus of each cell.
5
Q
What are they made from?
A
DNA
6
Q
What is a Gene?
A
A section of DNA that is responsible for things like eye colour of blood group.
7
Q
How many Genes do humans have?
A
20,000
8
Q
What is one copy of Chromosomes called?
A
Genome
