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, and 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.