Mutations & the Environment

Mutations & the Environment

Fill in the Blanks

A mutation occurs when there is a

in the organisms DNA.

Multiple Choice

A deletion mutation occurs when ____________

• one of the nucleotide bases is LEFT OUT of the DNA

• one of the nucleotide bases is CHANGED to a different base

• an EXTRA nucleotide base is INSERTED into the DNA

Multiple Choice

An extra nucleotide base is inserted into the DNA. What type of mutation is this?

• Mismatch

• Insertion

• Deletion

Multiple Select

Which of the following can have an impact on the length and quality of human life? Choose all that apply.

• Diet

• Sanitation

• Environmental Conditions

Multiple Choice

True or False: Mutations are always harmful

• True

• False