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Genetic Mutations
Test Description: Practice testing you knowledge of genetic mutations.
Instructions: Answer all questions to get your test result.
1) Inserting one nitrogenous base causes a ___________ mutation.
A
deletion
B
frameshift
C
duplication
D
substitution
2) AAG CCT TTA changing to AAC GCC TTT is a __________ mutation.
A
deletion
B
duplication
C
substitution
D
addition
3) Start with TTT ATG GCC. Which is a substitution mutation?
A
TTT TTT ATG GCC
B
TTT AGG CC
C
TTT ATG GCC
D
TTT ATA GCC
4) Which is NOT a type of mutation?
A
substitution
B
expanding
C
insertion
D
interference
5) A ________________ mutation results in a stop codon ending the protein.
A
nonsense
B
missense
C
insertion
D
deletion
6) Start with CCCGGGAAATTT. Which shows a missense substitution mutation?
A
CCGGAATTCCGG
B
CCCGGTAAATTT
C
CCCCGGGAAATT
D
CCCGGG
7) Which type of mutation is generally considered more detrimental?
A
frameshift
B
substitution
8) Mutations can cause harm if they significantly change the _______ of the protein.
A
smell
B
shape
C
width
D
color
9) Start with ATC GGA TTA. Which shows a duplication mutation?
A
ACG GAG GAT TA
B
ATC TTA
C
ATC GGG TTA
D
ATC GGA GGA TTA
10) Which of the following is caused by a genetic mutation?
A
common cold
B
influenza
C
sickle cell anemia
D
hepatitis C
11) A frameshift mutation
A
joins two different proteins.
B
introduces a section of amino acids not normally found.
C
adds or removes one or more bases.
D
removes part of the protein.
12) True of False: Most mutations have little to no effect on the organism.
A
False
B
True
13) A female that is planning to become pregnant is concerned about exposure to environmental mutagens. In order for these mutations to become heritable and be passed to her child, they must affect her
A
egg cell
B
none of the above
C
blood cells
D
body cells
14) Which of the following would indicate a base pairing mutation in DNA?
A
G paired with C
B
U paired with A
C
G paired with T
D
A paried with T
15) Which of these factors is associated with mutagenic effects
A
exposure to excess amounts of x-rays
B
All of the above
C
cigarette smoke
D
exposure to excess amounts of uv radiation
*select an answer for all questions
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