title: Supernumerary marker chromosomes (SMC) and uniparental disomy (UPD): coincidence or consequence?
mesh_terms: D002869:Chromosome Aberrations; D005819:Genetic Markers / Q000235:genetics*; D006801:Humans; D007621:Karyotyping; D009030:Mosaicism / Q000235:genetics; D014314:Trisomy / Q000235:genetics; D024182:Uniparental Disomy / Q000209:etiology* / Q000235:genetics*
chemical_list: D005819:Genetic Markers