How much an infant cries is largely steered by their genetics, and there is probably not much that parents can do about it.

Genesis or experience? A unique study of more than 11,000 pairs of identical twins sheds new light on the role of our genes in our emotions. Reacting differently to the same situation? A matter of ...

We present a case of monozygotic twins who are discordant for breast cancer and chemotherapy exposure (ie, one twin contracted breast cancer and underwent chemotherapy, and the other had no breast ...

Identical (monozygotic) twins are almost 100% genetically identical, meaning that any differences in their characteristics are likely to be due to the environments they each experience.

Rare case of "fetus in fetu" discovered in India, a condition where one twin develops inside the other.

A new study reveals that typically developing twins consistently take on the dominant role over their nontypically developing siblings, even after developmental gaps are resolved. By highlighting how ...

The two most common types of twins are dizygotic (fraternal) and monozygotic (identical). Learn more about them and what may possibly cause multiple births.

Facial Similarity Measure for Recognizing Monozygotic Twins Utilizing 3D Facial Landmarks, Efficient Geodesic Distance Computation, and Machine Learning Algorithms ...

This study investigates how monozygotic (MZ) and dizygotic (DZ) twins process emotional experiences, concentrating on the influence of genetic and environmental factors. Monozygotic twins, who share ...