Mutations Flashcards
0
Q
Mutagen
A
Chemicals that modify or mimic bases and cause mutations
1
Q
Mutations
A
Any change to a DNA sequence
Most times makes no difference sometimes harmful rarely advantageous
2
Q
Genome mutation
A
A change in chromosome number
3
Q
Chromosomal mutation
A
Affect large pieces of the chromosome
4
Q
Deletion
A
one or more bases is removed from a sequence
5
Q
Insertion
A
One or more bases is added
6
Q
Frameshift
A
Insertion or deletion changes the reading frame
Reading frame between a start and stop codon
7
Q
Missense vs nonsense
A
Missense one point mutation
nonsense a new stop signal so drop off and of the reading frame
