Lesson 35 Mutations.

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Presentation transcript:

Lesson 35 Mutations

Activator

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

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

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

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

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

Brain break Sickle cell https://www.youtube.com/watch?v=SpzjD1ctCyY&t=175s