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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
substitution
B
deletion
C
duplication
D
frameshift
2) AAG CCT TTA changing to AAC GCC TTT is a __________ mutation.
A
duplication
B
substitution
C
addition
D
deletion
3) Start with TTT ATG GCC. Which is a substitution mutation?
A
TTT ATG GCC
B
TTT ATA GCC
C
TTT AGG CC
D
TTT TTT ATG GCC
4) Which is NOT a type of mutation?
A
interference
B
substitution
C
expanding
D
insertion
5) A ________________ mutation results in a stop codon ending the protein.
A
deletion
B
nonsense
C
insertion
D
missense
6) Start with CCCGGGAAATTT. Which shows a missense substitution mutation?
A
CCCCGGGAAATT
B
CCGGAATTCCGG
C
CCCGGTAAATTT
D
CCCGGG
7) Which type of mutation is generally considered more detrimental?
A
substitution
B
frameshift
8) Mutations can cause harm if they significantly change the _______ of the protein.
A
shape
B
color
C
width
D
smell
9) Start with ATC GGA TTA. Which shows a duplication mutation?
A
ACG GAG GAT TA
B
ATC GGG TTA
C
ATC GGA GGA TTA
D
ATC TTA
10) Which of the following is caused by a genetic mutation?
A
influenza
B
hepatitis C
C
common cold
D
sickle cell anemia
11) A frameshift mutation
A
adds or removes one or more bases.
B
introduces a section of amino acids not normally found.
C
joins two different proteins.
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
blood cells
B
body cells
C
none of the above
D
egg cell
14) Which of the following would indicate a base pairing mutation in DNA?
A
A paried with T
B
G paired with C
C
U paired with A
D
G paired with T
15) Which of these factors is associated with mutagenic effects
A
exposure to excess amounts of x-rays
B
cigarette smoke
C
exposure to excess amounts of uv radiation
D
All of the above
*select an answer for all questions
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