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What Is a Mutation

Total questions: 17

Worksheet time: 15mins

Name
Class
Date
1.

What type of mutation happens to just one base.

a)

Chromosome Mutation

b)

Point Mutation

c)

DNA Mutation

d)

Deletion Mutation

2.

What point mutation changes one base?

a)

Substitution

b)

Insertion

c)

Deletion

3.

What point mutation adds one base?

a)

Substitution

b)

Deletion

c)

Insertion

4.

What point mutation removes one base?

a)

Deletion

b)

Insertion

c)

Substitution

5.

What is it called when a point mutation messes up several amino acids?

a)

Chromosomal Mutation

b)

Reading Frame Mutation

c)

Frameshift Mutation

d)

Amino Acid Mutation

6.

Which types of point mutations mess up several amino acids?

a)

Insertion

b)

Substitution

c)

Deletion

d)

Silent

7.

What is it called when a point substitution mutation has no effect?

a)

Substitution Mutation

b)

No Mutation

c)

Silent Mutation

8.

What is a mutation?

a)

A change in a chromosomal region.

b)

A negative change in the nucleotide sequence of DNA.

c)

A change in one base pair in DNA.

d)

Any change in the nucleotide sequence of DNA.

9.

What is mutagenesis?

a)

Multiple mutations.

b)

The production of mutations.

c)

Mutations that are gene specific.

d)

The study of mutations.

10.

When do mutations occur?

a)

During DNA replication.

b)

During protein synthesis.

c)

A mutation can occur any time.

11.

What type of mutation changes the structure of chromosomes?

a)

Multiple Point Mutations

b)

Chromosomal Mutation

c)

Structural Mutation

12.

What type of chromosomal mutation loses genes?

a)

Duplication

b)

Inversion

c)

Deletion

d)

Translocation

13.

What type of chromosomal mutation gains a copy of the same genes it already has?

a)

Duplication

b)

Inversion

c)

Deletion

d)

Translocation

14.

What type of chromosomal mutation removes genes and then re-attaches the genes backwards?

a)

Duplication

b)

Inversion

c)

Deletion

d)

Translocation

15.

What type of chromosomal mutation gains extra genes that it did not have before?

a)

Duplication

b)

Inversion

c)

Deletion

d)

Translocation

16.

What does a nonsense mutation do?

a)

Change one amino acid to a stop codon.

b)

Change one amino acid to a different amino acid.

c)

Change one amino acid to a start codon.

17.

What does a missense mutation do?

a)

Change one amino acid to a stop codon.

b)

Change one amino acid to a different amino acid.

c)

Change one amino acid to a start codon.