Cellular Control Flashcards
1
Q
What are 3 types of gene mutation
A
Substitution
Insertion
Deletion
2
Q
what are possible effects of gene mutation
A
Beneficial
Neutral
Harmful
3
Q
Define a mutation
A
Changes to the sequences of DNA bases
4
Q
Name the type of mutation that insertion and deletion cause
A
Frameshift
5
Q
Name examples of positive effects of a mutation
A
Ability to digest lactose
Resistance to malaria
Immunity to HIV
6
Q
Examples of negative effects from mutations
A
Cystic Fibrosis
Sickle cell anaemia
7
Q
What mutation if responsible for cystic fibrosis
A
Deletion of one amino acid
8
Q
What mutation if responsible for sickle cell anaemia
A
Substitution
9
Q
Give an example of a physical mutation
A
Ionising radiation
10
Q
Give an example of a chemical mutagen
A
Deaminating agents
11
Q
A
