Unit 3

Which of the following would result in a frameshift mutation?

• Insertions only
• Substitution only
• Deletion only
• Insertions and Deletions

Where do mutations occur?

• DNA and RNA
• DNA 
• RNA
• mRNA and tRNA

When there is one less base on the mRNA strand than the DNA strand it is a _________ mutation

• missense
• nonsense
• deletion
• insertion

DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.

• Substitution
• Deletion
• Insertion
• Inversion

Which shows a mutated segment of DNA? 
ATTCGC

• UAAGCG
• TAAGCG
• TAGGCG

if a single nucleotide base is added or deleted the entire reading frame will?

• shift, causing a frameshift mutation
• move, causing a delection
• move, causing an addition
• shift, causing a deletion

What type of gene mutation has occurred here? 
T-G-A-C-C-A
T-G-A-C-C-A-A

• Base Substitution
• Base Deletion
• Base Insertion
• Frameshift 

What type of gene mutation has occurred here? Normal-
AGA-TTC-ATA-GCG
Mutant-
AGA-TTC-AAT-AGC-G

• deletion frameshift
• insertion frameshift
• substitution
• nonsense

DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTACGCAAC. This is an example of ___ mutation.

• Base Substitution
• Base Insertion
• Base Inversion
• Translocation

What kind of mutation is the result of an insertion?

• Silent Mutation
• Missense mutation
• Nonsense mutation
• Frameshift mutation