Genetic Disorders

Cystic Fibrosis and Huntingtons

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  • Created by: Kavita :)
  • Created on: 09-01-11 14:40

Cystic Fibrosis

Caused by Recessive Allele

Genetic Disorder of the cell membranes

Thicky mucus in the air passages and in the pancreas

People with only one copy of the allele won't have the disorder - carriers

(http://www.bbc.co.uk/schools/gcsebitesize/science/images/aqaaddsci_18.gif)

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Cystic Fibrosis 2

When 1 parent has cystic fibrosis cannot produce a child with disorder but carriers.

(http://www.bbc.co.uk/schools/gcsebitesize/science/images/aqaaddsci_19.gif)

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Huntingtons

Caused by Dominant Allele

Genetic disorder of the nervous system

Can be inherited if only one parent carriers the defective gene

(http://www.bbc.co.uk/schools/gcsebitesize/science/images/aqaaddsci_17.gif)

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