wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Mutations

Total questions: 20

Worksheet time: 29mins

Name
Class
Date
1.

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

2.

DNA molecule segment is : TTACGCAAG

The mutated DNA segment is TTACGCAAC. This is an example of ___ mutation.

a)

Substitution

b)

Insertion

c)

Inversion

d)

Translocation

3.
Any change in the sequence of DNA is...
a)
transgenic shift
b)
Single Genotype
c)
Monohybrid Trait
d)
Mutation
4.

What are the building blocks of proteins called?

a)

DNA

b)

RNA

c)

Ribosomes

d)

Amino Acids

5.

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

6.

DNA molecule segment is : TTA-CGC-AAG

The mutated DNA segment is TTC-GCA-AG. This is an example of ___ mutation.

a)

Substitution

b)

Deletion

c)

Insertion

d)

Inversion

7.

Original DNA: CAT GAT CCA

New DNA: CAT TGA TCC A

What mutation occurred?

a)

deletion

b)

substitution

c)

tranverse

d)

insertion

8.
Original: ATC CAT
Mutation: ATC GCAT
What mutation occurred?
a)
deletion
b)
insertion
c)
silent
d)
transverse
9.
Which of the following would result in a frameshift mutation?
a)
Insertions only
b)
Substitution only
c)
Deletion only
d)
Insertions and Deletions
10.

What type of gene mutation has occurred here? Normal-

AGA-TTC-ATA-GCG

Mutant-

AGA-TTC-AAT-AGC-G

a)

deletion frameshift

b)

insertion frameshift

c)

substitution

d)

nonsense

11.

Why are insertion and deletion mutations so harmful?

a)

They change all of the codons from the mutation on down the line, which changes the amino acid sequence

b)

They insert things that an organism doesn't need.

c)

They often delete things that organisms need.

d)

Insertion and deletions are not any more harmful than substitution mutations.

12.

What do gene mutations change?

a)

DNA

b)

RNA

c)

Proteins

d)

Lipids

13.
What type of chromosomal mutation has occurred?
a)
substitution
b)
insertion
c)
deletion
d)
nondisjunction
14.

A mutation in which only one nucleotide is altered is called a:

a)

Frameshift Mutation

b)

Deletion Mutation

c)

Point Mutation

d)

Insertion Mutation

15.
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
16.

A mutation is defined as:

a)

A change in the cell's structure

b)

Anything that changes in an embryo

c)

Any change in the physical features of a human

d)

A change in the DNA sequence

17.
Identify the DELETION mutation form the following: 
ATG CCA AAT
a)
ATG TCA AAT
b)
ATG CCT AAA T
c)
ATC CA  AT
d)
ATG CCA AAT
18.
Identify the SUBSTITUTION mutation form the following: 
ATG CCA AAT
a)
ATG TCA AAT
b)
ATG CCT AAA T
c)
ATC CA  AT
d)
ATG CCA AAT
19.
Which mutation will cause translation to stop? 
a)
Mutations 1 and 3 only
b)
Mutation 1 only
c)
Mutation 2 only
d)
Muations 1, 2, 3
20.

What type of mutation is shown in the diagram?

a)

Point mutation - missense

b)

Frameshift Mutation - deletion

c)

Frameshift Mutation - addition

d)

Point mutation - nonsense