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Mutation Quiz

Total questions: 18

Worksheet time: 11mins

Name
Class
Date
1.
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
2.
Normal-
GAG-CTC-GAC-AGA
Mutant
GAG CTC-CAC-AGA
a)
no mutation
b)
substitution
c)
insertion
d)
deletion
3.

This type of mutation in DNA alters just one base in a DNA sequence

a)

point mutation

b)

translocation

c)

inversion

d)

trisomy

4.

In this type of point mutation, one extra base pair is inserted into a sequence of DNA

a)

substitution

b)

insertion

c)

deletion

d)

translocation

5.

The bottom DNA sequence in the image has been altered by this type of mutation

a)

substitution

b)

insertion

c)

deletion

d)

translocation

6.
if a single nucleotide base is added or deleted the entire reading frame will?
a)
shift, causing a frameshift mutation
b)
move, causing a delection
c)
move, causing an addition
d)
shift, causing a deletion
7.

Variations in DNA base sequences are called

a)

mutations.

b)

duplications.

c)

replication.

d)

none of the answers are correct

8.

Which of the following images is a DELETION?

a)
b)
c)
9.

What are the three types of gene mutation?

a)

Insertion, Deletion, Subsitution

b)

Aberration, Deletion, Substitution

c)

Inversion, Duplication, Insertion

d)

Insertion, Duplication, Substitution

10.

Original: ATC CAT

Mutation: ATC GCAT

What mutation occurred?

a)

deletion

b)

insertion

c)

silent

d)

transverse

11.

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

12.

This diagram shows

a)

missense mutation

b)

nonsense mutation

c)

silent mutation

d)

frameshift mutation

13.

DNA mutations that do not cause any functional change in the protein product are known as

a)

nonsense mutations

b)

missense mutations

c)

deletion mutations

d)

silent mutations

14.

A gene mutation that occurs when a single mucleotide is added or deleted and causes a shift in how the codons are read

a)

Frameshift Mutation

b)

Point Mutation

c)

Gene Mutation

d)

Acquired Mutation

15.
What are things that cause changes in the DNA sequence called?
a)
dangerous
b)
unfortunate
c)
interferon
d)
mutagens
16.

A (a)   mutation only affects one base in the DNA sequence.

17.

A frameshift mutation are the most detrimental mutations because they affect the (a)   sequence after the mutation.

18.

If a codon was supposed to be GGA, but instead became GGU, and did not affect the amino acid, what type of mutation is this?

(a)