Mutations
Presentation
•
Biology
•
9th Grade
•
Medium
Standards-aligned
Jenifer Knowles
Used 48+ times
FREE Resource
9 Slides • 13 Questions
1
Mutations
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Mutations:
A change in the RNA or DNA caused by one or more nucleotides changing locations.
This can happen when one nucleotide is inserted, deleted, or substituted for a different nucleotide
3
Mutations
Harmful - Causes an enzyme or protein to not function properly
Helpful - Causes a genetic change that is good for the individual/species
Neutral (not good or bad) - Doesn't do anything
4
Multiple Choice
A mutation is defined as:
A change in the cell's structure
Anything that changes in an embryo
Any change in the physical features of a human
A change in the DNA sequence
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6
7
Multiple Choice
Which of the following is an internal mutation?
radiation
chemicals
viruses
copy error
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9
10
Multiple Choice
Which of the following is a type of mutation where a section of chromosome is flipped around?
insertion
deletion
inversion
translocation
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Multiple Select
A frameshift mutation is which of the following?
Point mutation
Insertion
Deletion
Subtitution
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Multiple Choice
Which mutation would be more harmful for an organism?
Point mutation (substitution)
Frameshift (insertion/Deletion)
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Multiple Choice
Why would a frameshift be more harmful?
It changes all the code downstream
Only one nucleotide is changing
All mutations are harmful
It can't correct iself
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Multiple Choice
Which of the following is not a type of mutation?
Substitution
Insertion
Prescription
Deletion
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Multiple Choice
THEBIGFATREDCATSAT is normal, what is this:
THEBIGFATREDATSAT
Substitution
Insertion
Deletion
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Multiple Choice
What mutation has occurred here?
T-G-A-C-C-A
T-G-A-G-C-A
Substitution
Deletion
Insertion
Frameshift
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Multiple Choice
DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.
Substitution
Deletion
Insertion
Inversion
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Multiple Choice
ATTTGAGCC- Original
ATTGAGCC - Mutated
The example above is an example of a
Insertion- Frameshift
Deletion- Substitution
Deletion -Frameshift
All of the above
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Multiple Choice
Why are insertion and deletion (frameshift) mutations so harmful?
They change all of the codons from the mutation on down the line, which changes the amino acid sequence
They insert things that an organism doesn't need.
They often delete things that organisms need.
Insertion and deletions are not any more harmful than substitution mutations.
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Multiple Choice
Which mutation will cause translation to stop?
Mutations 1 and 3 only
Mutation 1 only
Mutation 2 only
Muations 1, 2, 3
Mutations
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