Down Syndrome Cytogenetics

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>> YOUR LINK HERE: ___ http://youtube.com/watch?v=xdEeeIDJHyU

#Down_Genetics_شرح_بالعربي • #Robertsonian_translocation • #trisomy21 • #non-disjunction • #t(14;21)_t(21;21) • #down_mosaicisim

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