wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

DNA Mutations

Total questions: 20

Worksheet time: 28mins

Name
Class
Date
1.
This type of substitution codes for a stop codon
a)
Missense
b)
Nonsense
c)
Silent
d)
Deletion
2.
If you are missing or have an extra base  at the end of your mutated DNA . What type of mutation occurred?
a)
Substitution
b)
Frameshift
c)
Duplication 
d)
Insertion
3.
A type of substitution in which no  amino acids change is called 
a)
Missense
b)
Nonsense
c)
Silent
d)
Deletion
4.
Which of the following would result in a frameshift mutation?
a)
Insertions only
b)
Substitution only
c)
Deletion only
d)
Insertions and Deletions
5.
DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.
a)
Substitution
b)
Deletion
c)
Insertion
d)
Inversion
6.
Normal-
GAG-CTC-GAC-AGA
Mutant
GAG CTC-CAC-AGA
a)
no mutation
b)
substitution
c)
insertion
d)
deletion
7.
What mutation has occurred here? 
T-G-A-C-C-A
T-G-A-G-C-A
a)
Substitution
b)
Deletion
c)
Insertion
d)
Frameshift 
8.
Original: ATC CAT
Mutation: ATC GCAT
What mutation occurred?
a)
deletion
b)
insertion
c)
silent
d)
transverse
9.
Original: A A U U G G C C
Mutated: A U U U G G C C
What kind of mutation occurred?
a)
Substitution
b)
Addition
c)
Deletion
d)
Frameshift
10.
Which of the following is an example of a hurtful mutation? 
a)
Developing cancer
b)
Makes the organism faster
c)
Makes the organism a predator 
d)
Develops sharp claws
11.

What type of mutation is depicted here?

a)

Substitution

b)

Deletion

c)

Insertion

d)

Nonsense

12.

What type of mutation is depicted here?

a)

Substitution

b)

Deletion

c)

Insertion

d)

Nonsense

13.

What type of mutation is depicted here?

a)

Silent

b)

Missense

c)

Nonsense

d)

Frameshift

14.

What type of mutation is depicted here?

a)

Silent

b)

Missense

c)

Nonsense

d)

Frameshift

15.

What type of mutation is depicted here?

a)

Silent

b)

Missense

c)

Nonsense

d)

Frameshift

16.
What causes mutations?
a)
Mistakes in replication or environmental substances
b)
The amino acids
c)
Passed down by genetics
d)
It's how your born
17.

Anything that causes a mutation is called a/an:

a)

chromosome

b)

mutagen

c)

mutant

d)

mutt

18.

What mutation has occurred here?

T-G-A-C-C-A

T-G-A-G-C-A

a)

Substitution

b)

Deletion

c)

Insertion

d)

Frameshift

19.

Which organelle is DNA usually found in?

a)

cell membrane

b)

vacuole

c)

chloroplast

d)

nucleus

20.

ATT-TGA-GCC- Original

ATT-GAG-CC - Mutated

The example above is an example of a

a)

Insertion- Frameshift

b)

Deletion- Substitution

c)

Deletion -Frameshift

d)

All of the above