TYPES OFEDIARDS Mosaic Trisomy 18: Mosaic trisomy is also very rare It occurs when the extra chromosome is present in some (but not al of the cells of the body Mosaic Trisomy is not inherited and is a random occurrence that takes place during cell division b(72301076020)Types of Edward’s • Mosaic Trisomy 18: – Mosaic trisomy is also very rare. – It occurs when the extra chromosome is present in some (but not all) of the cells of the body. – Mosaic Trisomy is not inherited and is a random occurrence that takes place during cell division Dania M. Jacob (12301016020) 8