mutation Flashcards

(10 cards)

1
Q

mutation def

A

change in the base sequence (order of A,T,C, and Gs) in a molecule of DNA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the types of mutations?

A

point and frameshift

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what are the three types of point mutation and what do they change

A

silent/synonymous- there is a change in a base, but the amino acid isn’t changed
missense- changes what amino acid is being produced
nonsense- causes a stop sequence

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what are the two types of frameshift mutation

A

insertion and deletion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

if a base is changed and results in a stop codon, what is that?

A

point; nonsense

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

if a base is changed but nothing changes what is that?

A

point; silent/synonymous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

if two bases are “deleted” what is that?

A

frameshift; deletion, missense

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

If three bases are added what is that?

A

frameshift; insertion, missense

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

True or False:
mutations can be caused by mistakes in DNA replication, mutagens, and viral infections

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

True or False:
frameshift mutation causes the most change later on

A

false; it causes most change early on

How well did you know this?
1
Not at all
2
3
4
5
Perfectly