WorksheetsGenetic Mutations Review
Total questions: 74
Worksheet time: 53mins
ATTGAGCC - Mutated
The example above is an example of a
T-G-A-C-C-A
T-G-A-G-C-A
Which of the following is the least likely number to represent how many amino acids are coded for by this sequence of nucleotides?
ATGGGAACTCCA
4
2
3
12
What type of mutation happens to just one base.
Chromosome Mutation
Point Mutation
DNA Mutation
Deletion Mutation
What point mutation changes one base?
Substitution
Insertion
Deletion
What point mutation adds one base?
Substitution
Deletion
Insertion
What point mutation removes one base?
Deletion
Insertion
Substitution
What is it called when a point mutation messes up several amino acids?
Chromosomal Mutation
Reading Frame Mutation
Frameshift Mutation
Amino Acid Mutation
What is it called when a point substitution mutation has no effect?
Substitution Mutation
No Mutation
Silent Mutation
What is a mutation?
A change in a chromosomal region.
A negative change in the nucleotide sequence of DNA.
A change in one base pair in DNA.
Any change in the nucleotide sequence of DNA.
Match the following Mutations
Deletion
Entire sequence shifts to the left
Insertion
Entire sequence shifts to the right
Substitution
One Nucleotide is swapped for another
Point
Only one nucleotide is affected
Frameshift
More than one nucleotide is affected and entire sequence shifts
Match the following Mutations
Missense
Causes chance in amino acid sequence ; results in different protein
Nonsense
Causes an amino acid to change into a "STOP" codon
Silent
Has no effect on amino acids or proteins
What type of mutation is this?
Nonsense
Missense
Silent
What type of mutation is this?
Substitution
Deletion
Insertion
What type of mutation is this?
Point
Frameshift
chromosomal mutations cause a segment of the chromosome to repeat itself during replication.
inversion
duplication
translocation
deletion
Mutation: ATC GCAT
What mutation occurred?
New DNA: CAT AT
What mutation occurred?
New Gene: BBC
What mutation
Mutations that involve parts of or all of
a chromosome
Replication
Deletion Mutation
Chromosomal Mutation
Transcription
Part of a chromosome is reversed.
Inversion Mutation
Deletion Mutation
Translocation
Point Mutation
Part of one chromosome is transported and attached
to a non-homologous chromosome
Inversion Mutation
Translocation Mutation
Duplication Mutation
Point Mutation
Point mutation involves
deletion
insertion
duplication
changes in single base pair
Part of a chromosome is reversed.
Inversion Mutation
Deletion Mutation
Translocation
Point Mutation
Part of a chromosome is repeated
Gene Mutation
Point Mutation
Deletion Mutation
Duplication Mutation
Part of one chromosome is transported and attached
to a non-homologous chromosome
Inversion Mutation
Translocation Mutation
Duplication Mutation
Point Mutation
AGA-TTC-ATA-GCG
Mutant-
AGA-TTC-AAT-AGC-G
T-G-A-C-C-A
T-G-A-C-C-A-A
CAC-GTG-ACA-GCG
T-G-A-C-C-A
T-G-A-G-C-A
Mutations can be...
Harmful
Beneficial
Neutral
All of the Above
The bottom DNA sequence in the image has been altered by this type of mutation
substitution
insertion
deletion
translocation
In this type of point mutation, one extra base pair is inserted into a sequence of DNA
substitution
insertion
deletion
translocation
The bottom DNA sequence in the image has been altered by this type of mutation
substitution
insertion
deletion
translocation
Original: ATC CAT
Mutation: ATC GCAT
What mutation occurred?
deletion
insertion
silent
transverse
Mutations are__________
Harmful
Harmful or beneficial
Neutral
Harmful, neutral, or beneficial
What are the three types of gene mutation?
Insertion, Deletion, Subsitution
Aberration, Deletion, Substitution
Inversion, Duplication, Insertion
Insertion, Duplication, Substitution
A substitution mutation that has no effect
on an amino acid's sequence would be best categorized as:
Insertion Mutation
Translocation
Silent Mutation
Deletion Mutation
The image shown depicts a point mutation. Which of the following categories best describes this mutation?
Missense
Nonsense
Silent
Neutral
How many nucleotides are involved in a point mutation?
1
2
3
4
What type of mutation happens to just one base.
Chromosome Mutation
Point Mutation
DNA Mutation
Deletion Mutation
What point mutation changes one base?
Substitution
Insertion
Deletion
What point mutation adds one base?
Substitution
Deletion
Insertion
What point mutation removes one base?
Deletion
Insertion
Substitution
What is it called when a point mutation messes up several amino acids?
Chromosomal Mutation
Reading Frame Mutation
Frameshift Mutation
Amino Acid Mutation
Which types of point mutations mess up several amino acids?
Insertion
Substitution
Deletion
Silent
What is it called when a point substitution mutation has no effect?
Substitution Mutation
No Mutation
Silent Mutation
What is a mutation?
A change in a chromosomal region.
A negative change in the nucleotide sequence of DNA.
A change in one base pair in DNA.
Any change in the nucleotide sequence of DNA.
What is mutagenesis?
Multiple mutations.
The production of mutations.
Mutations that are gene specific.
The study of mutations.
When do mutations occur?
During DNA replication.
During protein synthesis.
A mutation can occur any time.
What type of mutation changes the structure of chromosomes?
Multiple Point Mutations
Chromosomal Mutation
Structural Mutation
What type of chromosomal mutation loses genes?
Duplication
Inversion
Deletion
Translocation
What type of chromosomal mutation gains a copy of the same genes it already has?
Duplication
Inversion
Deletion
Translocation
What type of chromosomal mutation removes genes and then re-attaches the genes backwards?
Duplication
Inversion
Deletion
Translocation
What type of chromosomal mutation gains extra genes that it did not have before?
Duplication
Inversion
Deletion
Translocation
What does a nonsense mutation do?
Change one amino acid to a stop codon.
Change one amino acid to a different amino acid.
Change one amino acid to a start codon.
What does a missense mutation do?
Change one amino acid to a stop codon.
Change one amino acid to a different amino acid.
Change one amino acid to a start codon.
