WorksheetsTypes of Mutations
Total questions: 15
Worksheet time: 45mins
What type of mutation happens to just one base.
Chromosome mutation
Point mutation
DNA mutation
Deletion mutation
What is it called when a mutation has no effect on the amino acid sequence in the final polypeptide?
Substitution mutation
No mutation
Silent mutation
Replication 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 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?
Changes one amino acid to a stop codon.
Changes one amino acid to a different amino acid.
Changes one amino acid to a start codon.
It does not change the amino acids.
What does a missense mutation do?
Changes one amino acid to a stop codon.
Changes one amino acid to a different amino acid.
Changes one amino acid to a start codon.
It does not change the amino acids.
What type of gene mutation has occurred here? Normal-
AGA-TTC-ATA-GCG
Mutant-
AGA-TTC-AAT-AGC-G
Deletion (causing a frameshift)
Insertion (causing a frameshift)
Substitution
Nonsense
CAC-GTG-ACA-GCG
T-G-A-C-C-A
T-G-A-G-C-A
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.
Frameshifts may be caused by:
Insertion and deletion
Insertion and silent
Insertion and missense
Insertion, deletion, and missense
Number 1 is a:
Number 2 is a:
Number 3 is a:
(a)
