1 jan 1983 ano - Huntington's disease is the first mapped genetic disease.

Descrição:

The location of the HD gene (its mutation causes Huntington's disease) was mapped to chromosome 4 using DNA polymorphisms. The location of the gene was identified by James Gusella and his team at Massachusetts General Hospital, USA. *I do not know the exact month or date of this event. Only the year.*

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