2/19/24 Bell-ringer Monday

Mutations can be negative because

• They can cause cancer

• They can cause birth defects

• They can help an organism thrive in its environment.

• They can affect offspring.

Select the THREE causes of genetic mutations:

• viruses

• chemicals and radiation

• errors in DNA replication

• traumatic brain injury

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?

• Mutations are a source of variation in the species

• Mutations are the cause of disease in the species

• Mutations are not harmful when they occur in somatic cells

• Mutations are always passed on to subsequent generations

A frameshift mutation where a nucleotide base

is removed from the DNA sequence.

• Deletion Mutation

• Substitution Mutation

• Translocation

• Silent Mutation

A single stranded molecule with bases A, U, G, and C is called ______________.

• mRNA

• DNA

• Protein

• Amino Acid

This type of mutation involves inserting a piece of DNA where it does not belong. Known as a frameshift mutation.

• Substitution Mutation

• Deletion Mutation

• Insertion Mutation