Identical Twins

Definition

Identical twins are siblings who develop from a single fertilized egg that splits into two. They share the same genetic makeup and are often used in studies to investigate the influence of nature versus nurture.

Related terms

Nature vs. Nurture: This term refers to the debate about whether genetics (nature) or environmental factors (nurture) have a greater impact on human development.

Genetics:

The study of genes and heredity, which play a significant role in determining an individual's traits and characteristics.

Monozygotic Twins: Another term for identical twins, emphasizing that they originate from one zygote (fertilized egg).