Mutations

Front

Mutation

Back

A change in the DNA sequence

Front

Genetic mutations can be...

Back

beneficial, harmful, or neutral

Front

The survival of a species depends on its ability to adapt to changes in the environment. Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment?

Back

Mutations are a source of variation in the species

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

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

How can mutations benefit organisms?

Back

Make an organism more suited to live in its environment.

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

What do gene mutations change?

Back

DNA

Front

Mutations are SOMETIMES helpful to the organism.

Back

true

Front

True or False: Flu vaccinations are needed yearly because the viruses that cause the flu are able to mutate.

Back

True