Reba and Reni are twins. They developed from a single fertilized egg dividing shortly after conception. Reba and Reni are ______ twins, more colloquially called ______ twins.
A) dizygotic; fraternal
B) dizygotic; identical
C) monozygotic; fraternal
D) monozygotic; identical

Question

Quizplus · Accepted Answer

Reba and Reni are identical twins as they developed from a single fertilized egg dividing shortly after conception, making them monozygotic. Fraternal twins are dizygotic, meaning they come from two different eggs fertilized by two different sperm.

Reba and Reni Are Twins