Genetics

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.

Mutations can benefit humans because they can:

• Cause illness

• Make an organism more suited to live in its environment.

• Make organisms live shorter lives

• Cause organisms to grow extra limbs.

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

Mutations create genetic diversity?

• True

• False