CAUSES EDWYARD'S Trisomy 78 is caused by a miss r disjuncture during mitosis Parents have done nothing before or during pregnancy to cause this ah/30mh加 hEir chile b(72301076020)causEs Edward’s • Trisomy 18 is caused by a miss￾disjuncture during mitosis. • Parents have done nothing before or during pregnancy to cause this disorder in their child. Dania M. Jacob (12301016020) 4