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trisomy 21

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trisomy 21

One entry found.

Main Entry: tri·so·my 21

Pronunciation: \ˈtrī-ˌsō-mē-ˌtwen-tē-ˈwən\

Function: noun

Etymology: from the occurrence of trisomy in chromosome 21 of persons with Down syndrome

Date: 1961

: Down syndrome

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