1. Mutations

2. What are mutations?
- A permanent change in the DNA sequence of a gene.

3. How can DNA become mutated?
Mutations can be inherited.
If a parent has a mutation on his/her DNA, the mutation is passed to his/her children.
Mutations can be acquired.
This happen when environmental agents damage DNA (ex. radiation) or
when mistakes occur as a cell copies its DNA.

4. A Normal Gene

5. A Mutated Gene

6. Types of Mutations

7. Mutations… happen. They happen with great regularity.
Almost all mutations are neutral.
Of the remainder, whether they are beneficial or harmful depends on the circumstances.

8. Harmful Human Mutations
Huntington’s Disease
Werewolf Syndrome or Congenital Generalized Hypertrichosis
Fragile X Syndrome

9. Animal Mutations
Naked Mole Rat
White Alligator