Sarah and Rebecca Developed from a Single Egg,share the Same

Multiple Choice

Sarah and Rebecca developed from a single egg,share the same genes,currently live at 517 Huckleberry Lane,and attend the same school.They are examples of

A) monozygotic, monochorionic, identical twins who share an environment.
B) monozygotic, dichorionic, nonshared twins.
C) identical, dichorionic, shared siblings.
D) unichorionic, unizygotic, concordant, monoenvironmental siblings.
E) monochorionic, identical , concordant twins who shared a membrane.