Dizygotic that which pertains to or derived from two (2) separate zygotes.
In psychology, dizygotic refers to fraternal twins who are produced by the simultaneous fertilization of two different eggs by two different sperm. Dizygotic twins are genetically distinct from each other, sharing approximately 50% of their genes, the same as any siblings born at different times.
Examples of dizygotic twins in psychology include:
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Twins studies: Dizygotic twins are often used in psychological research to investigate the effects of genetics and environment on various psychological traits and disorders. By comparing the similarities and differences between dizygotic twins, researchers can gain insights into the relative contributions of genetic and environmental factors.
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Twin bond: Despite not sharing identical genetics, dizygotic twins often have a close relationship with each other due to growing up together and sharing many life experiences. The twin bond between dizygotic twins can have an impact on their psychological development and relationship dynamics.
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Twin studies on behavior: Twin studies on behavior have found that dizygotic twins are less similar in their behavior than monozygotic twins (identical twins). This suggests that genetic factors may play a greater role in the development of certain psychological traits in monozygotic twins than in dizygotic twins.
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Twin studies on personality: Twin studies on personality have found that dizygotic twins are less likely to share personality traits than monozygotic twins. This suggests that genetic factors may have a greater influence on personality traits in monozygotic twins than in dizygotic twins.
Overall, the study of dizygotic twins can provide important insights into the complex interplay of genetic and environmental factors in psychological development and behavior.
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