Asked by kirtichawla94 | 15th Feb, 2010, 08:57: PM

Expert Answer:

Genetic disorders.

They are caused by abnormal groups of genes being passed down from one generation to the next.   Ex. CF,  Phenylketonuria,  hemophilia and muscular dystrophy

Answered by  | 16th Feb, 2010, 10:00: AM

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