Chromosomes Flashcards
1
Q
When a cell is not dividing, what shape are the chromosomes?
A
The chromosomes exist as long, thin threads called chromatin
2
Q
What are chromatin?
A
Long, thin threads of chromosomes
3
Q
What happens to chromatin at cell division?
A
The chromatin contract to form a number of clearly distinguishable chromosomes
4
Q
How many chromosomes do humans have in each body cell?
A
They have 46 chromosomes
5
Q
Define chromosomes
A
Chromosomes are coiled threads of DNA and protein that become visible in the nucleus at cell division
6
Q
Chromosomes are coiled threads of what?
A
DNA
7
Q
Chromosomes are coiled threads of DNA and what?
A
Protein
8
Q
What are chromosomes composed of hundreds/thousands of>
A
Genes
9
Q
Where are genes located on a chromosome?
A
Genes are arranged along the chromosome
