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[" 13Mongolism,Patau's syndrome and Edwa...

[" 13Mongolism,Patau's syndrome and Edward's "],[" syndrome are due to - "[M." P.P.M.T."1998]],[" (1) Allosomal abnormalities "],[" (2) Autosomal abnormalities "],[" (3) Both "1" and "2],[" (4) None of these "]

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