title: 3. Genetic disease as seen on a continuum.
mesh_terms: D000649:Amniocentesis; D002478:Cells, Cultured; D002877:Chromosomes, Human / Q000032:analysis; D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D005817:Genetic Counseling; D030342:Genetic Diseases, Inborn / Q000175:diagnosis*; D006596:Hexosaminidases / Q000172:deficiency; D006801:Humans; D009030:Mosaicism; D011247:Pregnancy; D011296:Prenatal Diagnosis; D012306:Risk; D013661:Tay-Sachs Disease / Q000175:diagnosis*
chemical_list: D006596:Hexosaminidases