1. Lesson 35 Mutations

2. Activator

3. Mutation Permanent mistake in a gene Range in different sizes
Gene mutations can be classified in two major ways:
Hereditary
Acquired

4. Mutations
Hereditary: inherited from a parent and are present throughout a person’s life in virtually every cell in the body
Acquired: occur at some time during a person’s life and are present only in certain cells, not in every cell in the body
Environmental

5. Types of Mutations
Substitution: One base pair is substituted for another
Example: Sickle cell

6. Types of Mutations
Deletion: a part of a chromosome or a sequence of DNA is lost during DNA replication
Ex. Cystic Fibrosis

7. Types of Mutations Addition: One base pair is added
Ex. Huntington’s disease

8. Brain break Sickle cell