GENETICS Flashcards
1
Q
give two examples of autosomal recessive disorders
A
- cystic fibrosis
- sickle cell anaemia
2
Q
give an example of an autosomal dominant disorder
A
- Huntington’s
3
Q
what is a gene?
A
- a long, specific sequence of DNA that usually codes for proteins
4
Q
describe the structure of a chromosome
A
- chromatin fibres made up of proteins called histones wrapped in DNA
5
Q
how many chromosomes does a person have?
A
- 46 (23 pairs)
