Mutations Autosomal Dominant

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Mutations and Autosomal Dominant Heredity

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Mutations and Autosomal DominantDisorders

Genetic Mistakes

Mutations

Mutation – a change in the DNA message

Mutations cause the wrong protein to be made (they may no longer be functional)

3 Types of Mutations

Deletion – section of DNA removed

Insertion – section added

Substitution – bases switched

Causes of Mutations

Errors in replication or transcription

Powerful radiation: x-rays, UV light, etc.

Genetic Diseases

Can be caused by mutations or by additional/fewer chromosomes

CCMs are an autosomal dominant genetic disorder.

Autosomal Dominant Disorders

The mutated gene is dominant and presents in one parent.

The children have a 50% chance of being affected.

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