For every three sets of identical twins, one pair of identical twins is likely to have

Question

Quizplus · Accepted Answer

Identical twins typically develop from a single fertilized egg that splits into two during early development. As a result, they share the same genome and should have the same number of chromosomes. However, in some rare cases, identical twins may have two separate placentas if the split occurs after the formation of the placenta. This is known as dichorionic twinning and occurs in about one-third of identical twin pregnancies. Therefore, option B is the best choice as it reflects a possible occurrence in identical twin pregnancies. The other options (A, C, and D) are not typically associated with identical twin pregnancies.

For Every Three Sets of Identical Twins, One Pair of Identical