Twins that develop from two separate fertilized egg cells and are therefore different in genetic make-up are ________ twins.
A) fraternal
B) Siamese
C) symbiotic
D) identical

Question

Quizplus · Accepted Answer

Fraternal twins develop from two separate fertilized egg cells and are therefore different in genetic make-up. Siamese twins refer to conjoined twins, who are physically attached to each other. Symbiotic twins is not a recognized term in biology. Identical twins develop from a single fertilized egg cell that splits into two embryos, making them genetically identical.

Twins That Develop from Two Separate Fertilized Egg Cells and Are