Mutations - Honors

Front

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

Back

Deletion

Front

Mutation

Back

A change in the DNA sequence

Front

Which of the following would result in a frameshift mutation? Options: Insertions only, Substitution only, Deletion only, Insertions and Deletions

Back

Insertions and Deletions

Front

ATTTGAGCC- Original ATTGAGCC - Mutated The example above is an example of a Options: Insertion- Frameshift, Deletion- Substitution, Deletion -Frameshift, All of the above

Back

Deletion -Frameshift

Front

What mutation has occurred here? T-G-A-C-C-A T-G-A-G-C-A

Back

Substitution

Front

Why are insertion and deletion (frameshift) mutations so harmful?

Back

They change all of the codons from the mutation on down the line, which changes the amino acid sequence.

Front

Which mutation will cause translation to stop?

Back

Mutation 1 only

Front

Identify the DELETION mutation from the following sequence: ATG CCA AAT Options: ATG TCA AAT, ATG CCT AAA T, ATC CA AT, ATG CCA AAT

Back

ATC CA AT

Front

Which type of mutation does the model demonstrate? Options: Deletion, Substitution, Insertion, Translocation

Back

Insertion

Front

Which mutation involves a single nucleotide being replaced with a different nucleotide?

Back

Substitution