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mutations

Total questions: 14

Worksheet time: 8mins

Name
Class
Date
1.
Any change in the sequence of DNA is...
a)
transgenic shift
b)
Single Genotype
c)
Monohybrid Trait
d)
Mutation
2.
Where do mutations occur?
a)
DNA and RNA
b)
DNA 
c)
RNA
d)
mRNA and tRNA
3.
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.
4.
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
5.
Normal-
GAG-CTC-GAC-AGA
Mutant
GAG CTC-CAC-AGA
a)
no mutation
b)
substitution
c)
insertion
d)
deletion
6.

What are the three types of gene mutation?

a)

Insertion, Deletion, Subsitution

b)

Aberration, Deletion, Substitution

c)

Inversion, Duplication, Insertion

d)

Insertion, Duplication, Substitution

7.
What do helpful mutations do? 
a)
Increases chances of survival 
b)
Decreases changes of survival 
c)
Increases chances of developing cancer
d)
Decreases skills
8.

In this type of point mutation, one base pair is lost

a)

substitution

b)

insertion

c)

deletion

d)

translocation

9.

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

10.

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

a)

substitution

b)

insertion

c)

deletion

d)

translocation

11.

A permanent change in the DNA sequence

which can affect a single gene or group of genes

a)

Homeostasis

b)

Somatic Cell

c)

Chromosomal Mutation

d)

Gene Mutation

12.

True or false, mutations create genetic diversity?

a)

True

b)

False

13.

Mutations can be...

a)

Harmful

b)

Beneficial

c)

Neutral

d)

All of the Above

14.

some sources of mutations can be...

a)

radiation

b)

chemicals

c)

viruses

d)

all of the above

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