Tri A - Genetics Flashcards
1
Q
What are the effects of damage to chromosomes?
A
Mutation - damage to genetic material
2
Q
What are some examples of chromosome abnormalities?
A
Cystic Fibrosis, Duchenne Muscular Dystrophy, Huntington’s Disease, Achondroplasia, Red/green Colour-blindness, Haemophilia
3
Q
What happens if DNA code is altered?
A
If there is a change in the DNA code, there will be a change in the resulting protein, or it may be absent
4
Q
Describe Sickle Cell Anaemia
A
One amino acid is altered
Red blood cell becomes fragile and has decreased oxygen carrying ability due to an abnormal shape
5
Q
What is a gene?
A
A unit of heredity - sections of DNA that code for a protein
