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WorksheetsMutations Review
Total questions: 20
Worksheet time: 12mins
Name
Class
Date
1.
Identify the following mutation:
Original DNA: ATCGTC
Mutated DNA: ATGGTC
Original DNA: ATCGTC
Mutated DNA: ATGGTC
a)
Substitution
b)
Insertion
c)
Deletion
2.
Identify the following mutation:
Original DNA: ATCGTC
Mutated DNA: ATCGAC
Original DNA: ATCGTC
Mutated DNA: ATCGAC
a)
Substitution
b)
Insertion
c)
Deletion
3.
Identify the following mutation:
Original DNA: ATCGTC
Mutated DNA: AATCGTC
Original DNA: ATCGTC
Mutated DNA: AATCGTC
a)
Substitution
b)
Insertion
c)
Deletion
4.
What causes mutations?
a)
Chemicals
b)
Radiation
c)
Errors in copying DNA
d)
All three
5.
A mutation that does NOT change the protein that is produced is called a
a)
deletion mutation
b)
inversion mutation
c)
silent mutation
d)
transverse mutation
6.
Original: ATC CAT
Mutation: ATC GCAT
What mutation occurred?
Mutation: ATC GCAT
What mutation occurred?
a)
deletion
b)
insertion
c)
silent
d)
transverse
7.
Original DNA: CAT GAT
New DNA: CAT AT
What mutation occurred?
New DNA: CAT AT
What mutation occurred?
a)
deletion
b)
substitution
c)
tranverse
d)
insertion
8.
DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.
a)
Substitution
b)
Deletion
c)
Insertion
d)
Inversion
9.
What mutation has occurred here?
T-G-A-C-C-A
T-G-A-G-C-A
T-G-A-C-C-A
T-G-A-G-C-A
a)
Substitution
b)
Deletion
c)
Insertion
d)
Frameshift
10.
Normal-
GAG-CTC-GAC-AGA
Mutant
GAG CTC-CAC-AGA
GAG-CTC-GAC-AGA
Mutant
GAG CTC-CAC-AGA
a)
no mutation
b)
substitution
c)
insertion
d)
deletion
11.
DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.
a)
Substitution
b)
Deletion
c)
Insertion
d)
Inversion
12.
This illustration shows.
a)
sickle cell
b)
hemophilia
c)
turner's
d)
tay-sachs.
13.
The DNA sequence ATCAGCGCTGGC is part of a gene. How many amino acids are coded for by this message?
a)
4
b)
8
c)
12
d)
20
14.
Which of the following is not a Mutagenic factor(causes mutations).
a)
X-rays
b)
Chemicals we smoke or eat
c)
Drinking water
d)
Tanning
15.
Why is the order of amino acids so important?
a)
The order of amino acids dictates what shape the protein will fold into.
b)
It is not important. The protein folding chamber will force the protein to fold into the correct shape.
16.
Where do mutations occur?
a)
DNA and RNA
b)
DNA
c)
RNA
d)
mRNA and tRNA
17.
Cell mutations are....?
a)
Unnatural and harmful
b)
Unnatural and always affect the organism
c)
Natural and produces genetic diversity
d)
Natural and always affect the organism
18.
In evolution, mutations are a source of random
a)
variation
b)
illness
c)
defects
d)
traits
19.
When homologous pairs of chromosomes don't separate from each other during meiosis, this is called
a)
translocation
b)
inversion
c)
nondisjunction
d)
deletion
20.
Disorders resulting from nondisjunction (such as Down's Syndrome) occur because
a)
a gene is duplicated
b)
a chromosome is duplicated
c)
a gene is rearranged
d)
a chromosome is rearranged.
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