Examlex
One consequence of the declining marriage rate and rising divorce rate during the 1970s was the
Identical Twins
Twins that develop from a single fertilized egg that splits and forms two embryos, sharing 100% of their DNA.
Dizygotic Twins
Also known as fraternal twins, are two siblings born from separate eggs and fertilized by separate sperm.
Evolutionary Psychologists
Researchers who study the evolutionary basis of human behavior and mental processes, often focusing on how evolutionary principles explain contemporary human thinking and behavior.
Physical Attractiveness
The degree to which a person's physical traits are considered aesthetically pleasing or beautiful by others.
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