Mutations

Front

A change in a gene, group of genes or chromosome that results in a change in the proteins

Back

Mutations

Front

A point mutation where one nucleotide base replaces an original nucleotide base

Back

Substitution Mutation

Front

What does it mean when a virus is mutating?

Back

The virus genetic information is changing

Front

What mutation has occurred here?
T-G-A-C-C-A
T-G-A-G-C-A
Options: Substitution, Deletion, Insertion, Frameshift

Back

Substitution

Front

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

Back

Deletion

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

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

Back

Substitution

Front

What type of mutation is shown in the image? Options: Nondisjunction, Gene Translocation, Trinucleotide Repeat Expansion, Frameshift

Back

Gene Translocation

Front

Identify the mutation: Chromosomal Inversion, Chromosomal Duplication, Chromosomal Deletion, Chromosomal Translocation

Back

Chromosomal Inversion

Front

Why are insertion and deletion mutations so harmful?

Back

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