Identical twins share 100 percent of their genes whereas fraternal twins share,on average,about 50 percent of their genes.

Question

Quizplus · Accepted Answer

Identical twins come from a single fertilized egg that splits into two whereas fraternal twins come from two separate fertilized eggs. Therefore, identical twins share all of their genes whereas fraternal twins share, on average, 50 percent of their genes, just like any other siblings.

Identical Twins Share 100 Percent of Their Genes Whereas Fraternal