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The Eerie World Of Reunited Twins: Article Analysis

479 Words2 Pages

The article, “The Eerie World of Reunited Twins,” presents research on identical and fraternal twins; it addresses the issue of nature vs nurture, and tries to measure the extent at which our genes influence and determine who we are. This article is important and beneficial for science and the public because it explains the controversy of nature vs nurture. In the article, researcher Lykken insists that the very concept of nature vs nurture is artificial because the two are totally interdependent, as he quoted “Nature via Nurture.” The influence of the environment indeed determines our personalities. Our experiences shape our behavior, but genes predispose the outcomes. I found the results of the closeness study among monozygotic twins reared apart …show more content…

Some psychological pressures could be the answer, such as the pressure found in many families where only the achievements of one child are noticed (or preferred), or where more attention is given to one specific child. The most interesting part was the study about sexual orientation among monozygotic and dizygotic twins. This could mark the next steps for further research on this subject. Many people have the popular belief that “People chooses to be gay” which is influence by religion, lack of knowledge, or simply lack of acceptance to something as they called it “unnatural.” But many studies have shown that there is a biological foundation for homosexuality predisposing individuals to have certain sexual preference. Further research on the LGBT community is needed to help this community on their journey for acceptance. The study on monozygotic twins’ sexual preferences is important because this shows us that even individuals who show 100% similarity in their genome can be different and even have different sexual preferences. The question of what makes a person gay/lesbian/transgender is still not answer. There is bias and different case

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In the afterword the author talks about some of the speculations people have as to why Wes 1 and Wes 2 ended up so different. Naturally, the question of genetics and nature always comes up as an explanation for the defining difference between the two Wes Moores. On the other hand, certain points in the nature/upbringing of the two Wes Moores, such as Wes 2’s parents neglecting birth control, were speculated as the defining reason for the outcomes of the two Wes Moores. The author emphasizes that all these factors are actually woven together (Moore, 183). Similarly, the concepts of nature and nurture are closely meshed in the field of psychology (Textbook, 73).

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Dr. Rettew connects to class discussions and readings on shared and unshared environmental influences, evocative gene environment correlation, temperament, and the goodness-of-fit. Twins that with unshared environmental influences, such as different placentas, could adapt different temperaments (Berk, 2009). Also, twins that have been adopted into separate families could have different personality traits because they lived in completely different environments their whole life, even if they shared environmental influences of the same placenta (Berk, 2009). With an evocative gene environment correlation, a child’s genotype could draw in a certain type of environment, such as babies who appear more attractive will receive more attention (Berk, 2009). The type of attention a child gets could affect its temperament.

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