U6L1E1: Gene Mutations

Any change in the sequence of DNA is...

• transgenic shift
• Single Genotype
• Monohybrid Trait
• Mutation

Which change below would result in a different Amino Acid? 
3'-GCT-5'

• GTT
• TCT
• TCC
• GCA

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

A mutation that does NOT show up through protein function is called

• deletion mutation
• inversion mutation
• silent mutation
• transverse mutation

Where do mutations occur?

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

A nonsense mutation produced _________.

• A same polypeptide chain
• A slightly altered polypeptide chain
• A shift in the reading frame
• The regulatory sequence being altered.

A base pair substitution can result in all of the following except __________.

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

What kind of mutation is the result of an insertion?

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