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Explain nature and nurture
Relationship between nurture and nature
Issues with nature vs nurture
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Nature and nurture is a concept that was coined in the modern sense by Francis Galton, an English Victorian polymath (a person of wide-ranging knowledge or learning). He spurred the debate with his book English Men of Science: Their Nature and Nurture (1874), which is regarded as “possibly the most original of all the great Victorians” (Trotter 113). The concept of nature and nurture refers to a binary view of how identical twins develop. One side of the view, nature, states that identical twins will develop similarly no matter how they are raised because they are genetically identical. The other side, nurture, emphasizes that environmental factors are more important than genetic similarities. Genetic predispositions (nature), however, have shown to have a much greater influence in identical twin development.
The NCHPEG states that “Monozygotic twins share all of their genes, while dizygotic twins share only about fifty percent of them, the same as non-twin siblings. If a researcher compares the similarity between sets of identical twins to that of fraternal twins for a particular trait, then any excess likeness between the identical twins should be due to genes rather than environment” (“Twin Studies” ). An example of monozygotic twins who were separated at birth – Jim Lewis and Jim Springer – met for the first time at age 39, on 9 February, 1979. Upon meeting each other, they discovered striking similarities. They had been married twice, both times to women with the same names. Both twins had named their sons James Allan and they also owned a dog named Toy. These similarities caught the attention of Dr. Thomas Bouchard from the University of Minnesota, who studied the characteristics of the ‘Jim twins’. The results of tests t...
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...portant role in the development of identical twins reared apart.
Works Cited
Banerjee, Jacqueline. "Francis Galton (1822-1911)." The Victorian Web. N.p., 3 May 2007. Web. 18 Mar. 2014.
Bouchard, Thomas. "Sources of Human Psychological Differences: The Minnesota Study of Twins Reared Apart." Science. Version 250. American Association for the Advancement of Science, 12 Oct. 1990. Web. 17 Mar. 2014.
"Other Twin Research at the U of M." Minnesota Center for Twin and Family Research. The Regents of the University of Minnesota, 4 Sept. 2007. Web. 17 Mar. 2014.
Siegel-Itzkovich, Judy. "Nature versus Nurture: Human personality." JPost. The Jerusalem Post, 8 Apr. 2012. Web. 17 Mar. 2014.
"Study of identical twins separated at birth and reunited later in life." Twins Separated at Birth. N.p., n.d. Web. 14 Mar. 2014.
Identical, conjoined, and half-twins are all examples of intrinsic variability in humans. Intrinsic variability exists in all animals and is an adaptive mechanism built into the nervous system in response to input. This mechanism allows humans to distinguish the same inputs as different from one another and therefore, the possible outputs vary with time. It is possible that due to identical genetic input, the twins could share identical neural pathways and identical I-Functions. This hypothesis could explain the identical behaviors and inter-connectedness of feelings and thoughts that twins share. Differences that are seen in twin behaviors could simply be due to intrinsic variability causing differing output or behaviors.
All over the world, there are many different medical cases discovered. There are very rare ones and some common ones as well, we often see them everyday or on television shows. An example of one of these cases would be the Hensel twins,they are conjoined twins.Conjoined twins are very rare, that occur once in every 200,000 live births.Which means that most people in their lifetime will never get a chance to meet conjoined twins. Many people question how to categorize conjoined twins, most just categorize them as humans. A human is just continuity of life to be the same human,while a person is rational, moral and agent. John Locke puts the twins in thought when speaking of the Day-Man and Night- Man, a man with one body with
Twenty years ago, twin births were radically lower, with twins being more frequent than other multiple births. With technology becoming more advanced and people who normally have problems becoming pregnant can use in vitro fertilization, people delaying motherhood, and survival rate increasing; having twin children is not as rare as it was thought to be in the past. Twin birth rates have increased 42% from 1980 to 1994 (Lytton, Singh, & Gallagher, 1995).
How does one person develop into the human that he or she is? Do his or her characteristics depend on the qualities he or she was born with? Or does his or her upbringing mold them into the person he or she becomes? The debate between nature and nurture is one that can be difficult to conclude and thus has been argued for centuries. Sheri S. Tepper explores this issue in her acclaimed novel The Gate to Women’s Country. The narrator of the work, Stavia, lives in a woman-dominated, post-apocalyptic country, where the women’s goal is to breed out the violent and murderous qualities that men are believed to possess. These women have an preconceived ideal people who are “CAPABLE of violence and ruthlessness, but very much in control of their tempers
In the well-received novel “Pudd’nhead Wilson,” Mark Twain skillfully addresses the ancient argument about the origin of one’s character and whether it’s derived from his nature or his surroundings. We can best see this battle between nature versus nurture by inspecting the plot lines that follow the characters Thomas a Becket Driscoll, Valet de Chambre, and Roxana the slave. Thomas was born into a wealthy white family while Roxy birthed Chambers into a life of slavery. It seemed as though each would have gone their separate ways into opposite walks of life, but Roxy secretly swapped the children, which destined each to their counterintuitive fates. Through their words and actions, Tom, Chambers, and Roxy have proven the idea that one’s behaviors and desires are a result of his upbringings and the environment he lives in rather than by his innate nature.
Schultz, D. P., & Schultz, S. E. (2013). Theories of personality (10th ed.). Belmont, CA: Cengage/Wadsworth.
Over the last couple of decades scientist, psychologist, and people have questioned over the idea, and the stereo typical question of nature versus nurture. Using twin studies, scientist have been given the understanding that the environment and heredity influence their behavior development. With using the adoption in twin studies, the doctors and scientists have been able to tell the extent to which the resemblance and families is due to the jeans that are shared and due to the environment that is shared. Because of the jeans that are identical carried by the monozygotic twins, identical twins, there has been a great appeal to most scientists and doctors. Psychologist have been able to link the strong genetic
Schultz, D. P., & Schultz, S. E. (2013). Theories of personality (10th ed.). Belmont, CA: Cengage/Wadsworth.
Schultz, D.P. & Schultz, S.E. (2009). Theories of Personality, Ninth Edition. US: Wadsworth Cengage Learning.
Fate, F. (2013, January 16). Identical twins: The truth behind their similarity. The Frozen Fate Reproductive Medicine Ethics. Retrieved November 16, 2013, from http://thefrozenfate.wordpress.com/2013/01/16/identical-twins-the-truth-behind-their-similarity/
Imagine having a sibling, waking up with you every morning to find your sibling didn’t go anywhere, but was by your side. Imagine having to do the same things, for instance, riding on the same bike or sitting in the same chair. How do you think life would be like? Would you be able to have any freedom? Do you sometimes feel like you want to disconnect from your sibling? Well, such people are called “conjoined twins”. Conjoined twins share arms, legs, organs, and other body parts. However, they don’t just share these body parts. Instead, they share and take intimacy to the extreme. Back then, they were called gods and feared as monsters. People were afraid they might kill or abandon their kids”. Conjoined twins are formed in the last stage of mitosis, which is called Cytokinesis. Many cases have been documented about conjoined twins. One example is a case of two conjoined twin sisters’ named Mary and Eliza Chulkhurst. The world’s most known twins are called the Thoracagopagus twins. In order to
In 1874, Francis Galton said, “Nature is all that a man brings with him into the world; nurture is every influence that affects him after his birth”. The human body contains millions upon millions of cells and each of these cells contains hereditary information and DNA. However, there is no proof that the information carried in these genes predetermines the way in which we behave. I believe it is our life experiences and what we see and are told that shape the way in which we behave. Therefore, it appears to me that nurturing plays a far more governing and dominant role in a human being’s development rather than nature.
Psychologists have debated the argument of nature vs. nurture for years on end. Although more evidence is being discovered, the topic is still very arguable. The debate started back in 1869, when Francis Galton was the first to use the phrase, “Nature vs. Nurture” (ORIGINS). The debate circles around whether people are who they are from their genes, or if their environment impacts their actions and personality. Most psychologists believe it is a one or the other decision, however there are still a few who believe both are right.
It is true that identical twins who are raised together have many things in common,
Developmental Psychology is an area which studies how we as humans change over the period of our life span. The majority of the focus is broken into three categories: cognitive, physical and social change. The creation of who we are today comes down to the everlasting debate of nature versus nurture. This ongoing debate of what makes us who we are and which one is the driving force in development may be so simple that it’s complex. Rather than it being a conflict of nature “versus” nurture, it is very well possible both play an equal part in the development of us as humans. In the beginning, we start off as single cell in the form of a zygote. In that moment, where the DNA begin to form and the first seconds of life take place, the zygote is already experiencing interaction with the womb. In the process of determining why we are who are it is better to look more at the interactions of nature and nurture, analyzing how both have shaped us.