
Psychobiology of Twins
The psychobiology of twins explores how genetics, brain development, and environment influence their behavior, thoughts, and emotions. Identical twins share nearly all their genes, leading to similar traits, while fraternal twins share about half, like regular siblings. Scientists study twins to understand the extent genetics and surroundings shape personality and mental health. Differences among twins highlight environmental impacts, while similarities reveal genetic influences. This field helps us understand nature versus nurture and how biological and psychological factors interact in human development.