Gene Mutation Flashcards
1
Q
What is a mutation
A
A permanent change in the DNA of an organism
2
Q
What is a gene mutation
A
when a nucletodie isnt properly copied during transcription
3
Q
What is a deletion
A
A base is completley lost
4
Q
What is substition
A
one base in a gene is subsituted for another
it only affects one AA
5
Q
What is a insertion?
A
Extra base is added into the gene which may be a repeat or a diffrent base
6
Q
What are the 3 types of mutation
A
Subsituation
Deltions
Insertions
7
Q
What causes sickle cell
A
Base subustion
8
Q
Properties of sickle cell
A
Not carry oxygen effeinctlY
Block the smallest blood vessles
9
Q
Descriptive detail of how sickle cell is caused
A
a change of one base in one codon changes a single AA in a chain of 147 AA
