Trisomy 21 with translocation t(3p-;21q+).
D002904:Chromosomes, Human, 21-22 and Y; D004314:Down Syndrome / Q000235:genetics*; D006801:Humans; D007223:Infant; D008297:Male; D010641:Phenotype; D014178:Translocation, Genetic; D014314:Trisomy