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WorksheetsDNA mutations
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
A T T T G A G C C- Original
A T T G A G C C - Mutated
The example above is an example of a :
A T T G A G C C - Mutated
The example above is an example of a :
a)
Insertion- Frameshift
b)
Deletion- Substitution
c)
Deletion -Frameshift
d)
All of the above
2.
Which of the following would result in a frameshift mutation?
a)
Insertions only
b)
Substitution only
c)
Deletion only
d)
Insertions and Deletions
3.
What causes mutations?
a)
Mistakes in replication or environmental substances
b)
The amino acids
c)
Passed down by genetics
d)
It's how your born
4.
Where do mutations occur?
a)
DNA and RNA
b)
DNA
c)
RNA
d)
mRNA and tRNA
5.
Which of the following does not cause mutations?
a)
X-rays
b)
Chemicals we smoke or eat
c)
Drinking water
d)
Tanning
6.
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.
7.
Which of the following is an example of a harmful mutation?
a)
Developing cancer
b)
Makes the organism faster
c)
Makes the organism a predator
d)
Develops sharp claws
8.
When there is one less base on the mRNA strand than the DNA strand it is a _________ mutation
a)
missense
b)
nonsense
c)
deletion
d)
insertion
9.
When the change of one base caused the protein chain to end too soon it is a _________ mutation
a)
missense
b)
nonsense
c)
silent
d)
insertion
10.
mRNA is read in chunks of three, called...
a)
quadralets
b)
anticodons
c)
codons
d)
capsids
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