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#down syndrome awareness #trisomy 21 #t21 #blue and yellow heart #awareness heart #support heart #the lucky few #genetic awareness

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#trisomy 21 #chromosome 21 #karyotype #t21

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#trisomy 21 #t21 #down syndrome gene #chromosome 21 #genetics #down syndrome

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#trisomy 21 #extra chromosome #down syndrome #genetics #blue and yellow #t21