chromosomes Flashcards
1
Q
Where are chromosomes found?
A
In the nuclease of a cell
2
Q
What are chromosomes?
A
Coiled up lengths of DNA molecules.
3
Q
Describe structure of DNA
A
Consists of two strands and each strand is a polymer.
Two strands form a double helix.
4
Q
What is a gene?
A
Small section of DNA on a chromosome.
5
Q
How many pairs of chromosomes do humans have?
A
23 pairs of chromosomes.
6
Q
Are chromosomes found in pairs in body cells?
A
yes
7
Q
WHAT IS A GENOME?
A
Entire genetic material of an organism.
8
Q
What are the benefits of a genome?
A
helps us search for genes linked to diseases.
Helps us understand and treat inherited disorders.
We can trace human migration from past to discover ancestry.