Genetic Mutations, Diseases & BioTechnology

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Presentation transcript:

Genetic Mutations, Diseases & BioTechnology March 2017

Other mutations – good?

What is a mutation? A mistake in copying DNA May be a single gene (point mutations) OR whole chromosome (frameshift) Cancer

How Mutations Occur and some examples may include..

Types of mutations

A genetic disease caused by Frameshift: Tay Sachs

A genetic disease caused by deletion: Cystic Fibrosis

A genetic disease caused by duplication: Huntington’s Disease

A genetic disease caused by inversion: Hunter Syndrome

Nondisjunction

A genetic disease caused by translocation & nondisjunction: Down Syndrome a.k.a. Trisomy 21 ****

Biotechnology: Genetic Engineering

Selective Breeding Allowing organisms with desired characteristics to breed

Ex. Dog breeds

Transgenic Organisms Inserting genes from another species Ex. Glow-in-the-dark bunny

Video about genetic engineering and transgenic organisms

Cloning Produced from a single cell Genetically identical Ex. Dolly the sheep

You tube video on cloning Brainpop video & quiz

Stem Cells Definition Technology Examples Success story Brainpop

Genetic Screening Right? Wrong?

DNA Fingerprinting