Genetic Mutations Question Preview (ID: 12624)
Practice Testing You Knowledge Of Genetic Mutations.
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Inserting one nitrogenous base causes a ___________ mutation.
a) frameshift
b) deletion
c) substitution
d) duplication
AAG CCT TTA changing to AAC GCC TTT is a __________ mutation.
a) duplication
b) addition
c) deletion
d) substitution
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
Which is NOT a type of mutation?
a) substitution
b) insertion
c) expanding
d) interference
A ________________ mutation results in a stop codon ending the protein.
a) nonsense
b) missense
c) deletion
d) insertion
Start with CCCGGGAAATTT. Which shows a missense substitution mutation?
a) CCCCGGGAAATT
b) CCGGAATTCCGG
c) CCCGGTAAATTT
d) CCCGGG
Which type of mutation is generally considered more detrimental?
a) frameshift
b) substitution
c)
d)
Mutations can cause harm if they significantly change the _______ of the protein.
a) color
b) width
c) shape
d) smell
Start with ATC GGA TTA. Which shows a duplication mutation?
a) ATC TTA
b) ATC GGG TTA
c) ATC GGA GGA TTA
d) ACG GAG GAT TA
Which of the following is caused by a genetic mutation?
a) influenza
b) common cold
c) sickle cell anemia
d) hepatitis C
A frameshift mutation
a) adds or removes one or more bases.
b) removes part of the protein.
c) introduces a section of amino acids not normally found.
d) joins two different proteins.
True of False: Most mutations have little to no effect on the organism.
a) True
b) False
c)
d)
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) egg cell
d) none of the above
Which of the following would indicate a base pairing mutation in DNA?
a) A paried with T
b) G paired with C
c) G paired with T
d) U paired with A
Which of these factors is associated with mutagenic effects
a) cigarette smoke
b) exposure to excess amounts of uv radiation
c) exposure to excess amounts of x-rays
d) All of the above
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