The nature- nurture debate has many different case studies, which often questions environmental and hereditary aspects of the nature- nurture debate. A tangent which is focused on in this essay is how the case studies of schizophrenia and IQ, specifically affect twin and adoption studies. This essay will firstly, give a brief outline of the nature-nurture debate and the definitions of twin and adoption studies. Secondly, it will illustrate two main case studies, which are IQ and Schizophrenia studies. Thirdly, will contrast and compare the two and research’s impact on the case studies in regards to nature vs. nurture and finally, will conclude with the impact of the nature-nurture debate and twin and adoption studies. “The term “nature …show more content…
Extending on from these, factors in each layer are influenced by elements within and outside of their layers. For example what a child is exposed to as a result of his/her parent’s beliefs. (Social Issues Referencing, 2007) Due to these factors, the nature- nurture theory has impacted and influenced many studies, one of these being the twin and adoption case. Twins, share a bond that no parent, child or sibling relationship can ever compare. There are two main types of twins, and these include: monozygotic (identical) twins and dizygotic (fraternal) twins, and they are compared by their emotional, behavioural, and cognitive similarities. (Robert Plomin, 1997). According to Social Issues Referencing, 2007, whereas Identical twins are formed from a single (mono) zygote and are genetic “carbon copies”, fraternal twins develop from two (di) separate zygotes, as a result of two eggs being fertilized by two sperms independently. (Social Issues Referencing, 2007, para. 8) Ultimately adoption is “the legal process which permanently transfers all the legal rights and responsibilities of being a parent from the child's birth parents to the adoptive parents”, (Human Services, Community Services, 2009 p. 1) so parents who are not related to the child in any form are adopting the child. In a sense, Twin studies relates to nature, as
Many psychologists agree that nurture play a greater part in the development of a human being. Studies such as those performed on monozygotic twins (identical), who share the same genetics and those performed
“Trying to separate out nature and nurture as explanations for behavior, as in classic genetic studies of twins and families, is now said to be both impossible and unproductive” (Levitt, 1). Social scientists have declared the nature-nurture debate to be unnecessary. Similarly, scientists feel that such debate is not only unhelpful, but also outdated. From geneticists’ perspective, nurture and nature interact to influence
Both normative and nonnormative influences and nature and nurture influences both shed light on human development over childhood and adolescence. The nature and nurture debate refers to whether particular aspects of development are a result of inherited characteristics (nature) or obtained characteristics (nurture). The answer to what characteristics were obtained by which source is a difficult task as there is still much to learn about the way genetic markers work and how their patterning influence organisms. Instead nature and nurture should be looked at as a intricate ecology (Claiborne, Drewery, Paki, & Peters, 2014). This is where characteristics are not considered to have only a single source but can linked to a contribution of our genetic
The biography Identical Strangers by Elyse Schein and Paula Bernstein is about twins that got separated at birth, and now are finding out there is another person in the world with their exact DNA. They were part of a study on separated twins. It was to see in nature versus nurture which one has more of an impact. (31-32) Identical twins were easiest to study because of their identical DNA. Scientists working on the study placed both girls in a family in which are very similar; therefore, they both have a brother that is a couple years older than them. They find out about the other twin, and Paula is having their
The classic debated topic of Nature versus Nurture has been and will always be a quarrelsome subject in the scientific world. Meaning, the issue of the level to which environment and heredity sway behavior and development in a person. Nature can be defined as, behaviors due to heredity. This means the behaviors is based on the inherited makeup of an individual and is an influence of the growth and development of that individuals’ all through life. On the other hand nurture is causes of behaviors that are environmental. This Intel’s the influence is from the individual’s parents, siblings, family, friends and all other experiences that individual exposed to during life. However, these concept of ideas supports the inborn genetic framework,
Monozygotic twins: Monozygotic twins are also known as identical twins. These twins start their life as one egg which is fertilized by one sperm and latter splits into two eggs much earlier in the gestational period. These are very rare and have no link to heredity. But studies reveal that only one of four conceptions of twins is identical. Therefore, it seems likely that any differences between twins will have to be caused by environment rather than by genetics.
Identical twins may share the same DNA make up and grow up in the same household, yet they have very distinct personalities. On the other hand, twins that may have been separated at birth, find that years later when they meet up for the first time that they have very similar character traits and experiences. Researchers have been trying to figure out for years if DNA or environment has a bigger factor in determining a twin’s personality. When researchers try to determine how personalities are developed, they often look to twin studies to determine if DNA or life experiences are influential in personality development.
As Joseph (2004) pointed out, however, this is not always the case. Monozygotic twins are more likely to be treated in a similar way, encounter more similar environments, and be to be thought of as ‘the twins’ rather than two separate individuals. This, in turn, can lead to ‘identity confusion’ and so potentially a higher concordance rate amongst monozygotic twins. Therefore Joseph argues that the greater concordance rate seen in monozygotic twins than in dizygotic twins is a result of the differing attitudes and environments experienced by the two types of twins.
Furthermore, the nature-nurture continuum will demonstrate how every child will fall on this continuum that certain behaviors are a result of the child’s genetic makeup and the type of environment the child is raised in. For instance, a child’s intelligence can be considered under either end of the continuum, and for some cases, fall in the middle. If during a child’s development, a part of their brain is not developing properly due to genetic disorders this would be considered a matter of nature. Whereas, if it solely had to deal with the environment or upbringing the child dealt with such as opportunity to good schooling and services, would pertain to nurture. Except for some children, both would apply in that, the child may have inherited a genetic disorder which has affected their brain development and in turn are nurtured through an environment of plenty opportunities and services
The concept of Nature v. Nurture is one that describes the different aspects of the environment and genetics that make up someone’s personality. On one side, Nature is the abilities and other traits inherited from someone’s parent that predetermines how they will mature over the years. An example of this would be that many believe that children are born smart and that they inherit their intelligence from their parents. While on the other, Nurture is the environmental influences that sculpt how someone acts. For example, one will react to certain situations they are in based on past experiences. This concept plays a vital role in the research because even though the twins had grown-up in two completely different
Throughout history, across all cultures, people have been fascinated with twins. In addition to interest in the close emotional ties and biological similarities that twins may share, reports of special twin languages and twin extrasensory perception (ESP) help people to explore ideas of what it means to be human. How similar or different are they to each other? How important are genes and environment for development? Because identical twins share all of their genes, it is the environment—rather than genetics—that accounts for any differences between them.
The debate between nature verse nurture theories focus on whither a person’s development is dependent upon ones genetic blueprint or the
How is the nature vs nurture debate related to a consideration of the mental disorder, schizophrenia?
Twins are two offspring produced during the same pregnancy. There are two types of twins: identical and fraternal. Identical twins are developed from just one fertilized egg , which forms to become a zygote, and later splits to form two embryos. Fraternal twins, on the other hand, each develop from a unique sperm cell. Identical twins must be the same sex, either two males or two females. Fraternal twins, on the other hand, can be either the same sex or one of each.
There are two types of twins. One type of twins, called identical twins, is exact clones of each other. They share the same DNA and were made from a single split egg. More research as been done regarding these types of twins as they are the more remarkable kind. Since they are a genetic match, nature plays the