trisomy 21
noun1
The presence of three copies of the 21st chromosome in the karyotype.
Medical genetics
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
The presence of three copies of the 21st chromosome in the karyotype.
Medical genetics
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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