Mutations

A mutation is defined as:

• A change in the cell's structure

• Anything that changes in an embryo

• Any change in the physical features of a human

• A change in the DNA sequence

What causes mutations?

• Mistakes in replication or environmental substances
• The amino acids
• Passed down by genetics
• It's how your born

A mutation can occur if a base pair is ____________, deleted or substituted for another.

• modified

• added

• transferred

Another name for a point mutation is:

• Substitution

• Frameshift

• Insertion

• Deletion

ATTTGAGCC- Original

ATTGAGCC - Mutated

The example above is an example of a

• Insertion

• Point mutation

• Deletion

• Substitution

Mutations are random.

• True

• False

Mutations are SOMETIMES helpful to the organism.

• True

• False

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

This type of mutation involves removing a piece of DNA where it belongs.

Known as a frameshift mutation.

• Substitution Mutation

• Insertion Mutation

• Deletion Mutation

Possible negative consequences of mutations could be genetic ____________________ and cancer.

• diversity

• disorders

• dominance

• duplication