Your friend has a twin brother who bears very little resemblance to her. They are most likely _______ twins.
A) monozygotic
B) identical
C) heterozygotic
D) dizygotic

Question

Quizplus · Accepted Answer

Dizygotic twins, also known as fraternal twins, result from two separate eggs being fertilized by two separate sperm. This means that dizygotic twins can be of different genders, have different blood types, and can vary in physical appearance, like in the case of the friend and her twin brother who bear little resemblance to each other. Monozygotic or identical twins, on the other hand, develop from one fertilized egg that splits into two, resulting in two individuals who share the same genetic material and are therefore nearly identical in appearance. Heterozygotic is not a term used to describe twins, but rather refers to individuals who have inherited different forms of a particular gene from each parent.

Your Friend Has a Twin Brother Who Bears Very Little