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essay about cloning in life science
an essay on advantages and disadvantages of cloning
essay about cloning in life science
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Debates continue to haunt the subject of human cloning, and will continue to do so for some time. Among the debates: How will the clones’ personalities develop? Would it be humane to create clones if they are going to be considered inferior, or if they are going to have a difficult time acclimating to society? Identical twins are essentially clones because they share indistinguishable copies of the same DNA. Due to the similarity between the two genetic situations, it has been suggested that clones will develop much as twins do. By looking at psychological studies that have been conducted on identical twins, scientists can predict how a clone will mature and how they will react to their world.
Controversy and science have walked hand-in-hand through many discoveries and inventions. Cloning is no exception, as debates whirl around the various ethics, risks, and possibilities of creating human clones. Philosophers, religious leaders, scientists, and politicians continue to argue amongst each other, trying to determine how cloning will affect future generations of society and medicine. A few psychiatrists, sociologists, and other developmental scientists have focused less on the effects of cloning on modern society, and become more concerned with the effects cloning will have on the psychological development of the clones that may be created. These social scientists worry that clones might experience difficulties developing a healthy personality or functioning happily in society. In order to accurately project possible conflicts, scientists have resorted to the study of today’s natural clones: identical twins. Identical twins possess exact copies of each other’s DNA, and are essentially clones of each other. As such [clones], they may help us to understand some aspects of human clones (Levick, 2004). Trends in the psychological development of twins suggest that a person’s environment influences an individual and can alter their personal
growth. By further exploring the psychological impact of having an identical twin, scientists hope to discover how clones will mature.
Multiple studies and observations have indicated that the varying genes and environments of each twin can influence many aspects of psychological development such as falling in love, aging, personality development, talents and abilities, body characteristics, health, and physiological responses (University of Minnesota). If an identical twin is so affected by their environment, it is possible that clones will be just as influenced by their surroundings, perhaps even more so than twins if clones are subjected to discrimination. How a clone is regarded, treated, and taught will affect changes in the manner that the clone reacts to their world.
The thought of cloning often terrifies people because they believe there will be copies of themselves rampaging around the world. Individuals often overlook that, “In nature, twins form very early in development when the embryo splits in two. Since they developed from the same fertilized egg, the resulting individuals are genetically identical” (Genetic Science). Scientists who understand the procedure of twin formation, have been using reproductive cloning for decades. According to Devolder, “The genetic material is removed from a donor egg so as to create an empty egg. A cell is then removed from the male’s rep...
This representation of cloning as a means of bringing about the loss of individuality reflects two widespread ideas. The first is...
Another issue discussed is that human clones could be used as human farms or organ donors. Unthinkable as it may be, there is a fear that parents may clone their children for “spare parts.” Such a theory is ludicrous because parents of twins do not view one child as a spare part should the other break. She reasons that a clone would be looked upon as equally as a twin.
an identical twin of another human being but only at a younger age. Scientist use cloning
To start, it is important to understand what cloning is and the process that makes it possible. As defined by Merriam Webster’s Collegiate Dictionary, cloning is “one that appears to be a copy of an original form” (233). In layman’s terms, human cloning is using medical procedures to make an exact genetic copy of an already existing or previously existing person. The process for cloning entails a method called Somatic cell nuclear transfer, or SCNT. According to The University of Utah’s Genetic Science Learning Center the way SCNT is performed is “an egg cell's single set of chromosomes is removed. It is replaced by the nucleus from a somatic cell, which already contains two complete sets of chromosomes” (Genetic). Now that the egg has a complete DNA configuration, it is allowed to grow and the being that is engendered is a clone. Though the original human and the clone will have the same genome, they will not be exactly the same person. As Wray Herbert points out, there will be differences in personality an...
As I walk through the crowded mall with my sister, little children stare, most adults do a discreet double take, and some bold adults question us outright. “Wow, are you twins?” “Do you know you look the same?” “What’s it like to be a twin?” “Do you have, like, psychic powers, or something with each other?” These are the most common questions twins hear. Almost all twins don’t really mind them and sometimes the attention is cool. Mostly, we just smile tolerantly at each other and answer them as best we can. After all, we don’t really know how to describe being a twin. We have never known anything else. Nonetheless, here we are. So, as a person who might not know exactly what she is talking about, I will try to briefly explanation to the general public the experience of being a genetic quirk.
Emotional problems can grow as a cloned child grows up knowing her mother is her sister, her grandmother is her mother and her father is her brother-in-law. Every time her mother looks at her, she is seeing herself growing up. It is an unbearable emotional pressure on teenagers trying their identity. What happens to a marriage when the "father" sees his wife's clone grow up into the exact replica of the beautiful 18 year old he fell in love with 35 years ago?
Cloning, a topic that has recently caused mayhem all over the world, is possible, but will it be here to stay? The astonishing news that scientists had cloned a sheep a couple of years ago sent people into panic at the thought that humans might be next. "Cloning is a radical challenge to the most fundamental laws of biology, so it's not unreasonable to be concerned that it might threaten human society and dignity" (Macklin 64). Since most of the opposition is coming from the pure disgust of actually being able to clone species, it makes it difficult for people to get away from the emotional side of the issue and analyze the major implications cloning would have for society. To better understand this controversial issue, the pros and cons of cloning will be discussed.
In Sweden, Nancy Pederson along with her coworkers categorized 99 pairs of separated identical twins and over 200 pairs of separated fraternal twins. After comparing them with equivalent samples of identical twins nurtured together, she came up with the conclusion that the separated identical twins had relatively less identical personalities. Still, separated identical twins were more alike than separated fraternal twins. What 's more, separation soon after birth (instead of, say, at age 10) did not escalate their identity contrasts. (G. Myers,
In 2008, Captain et al. began to study twins who were separated during early childhood and raised in different families. His findings conclude that the similarities between twins are due to genes, not environment.
It is normal to think cloning is something out of a science fiction orb. For many years, scientists have been telling the world that it’s impossible to clone humans, but they were all wrong. The technology of cloning humans is already here, as evidenced by Dolly the sheep, but it called forth questions about the role of God in society, the soul and even the quality of life a cloned individual would have (“16 important pros and cons”). Cloning technologies can prove helpful to researchers in genetics. With the history of cloning, one difference to help in mind, with dealing with cloning, is the reproductive cloning or therapeutic cloning.
For years I have been fascinated by that mysterious quirk of nature called twins. In my family, there are several sets of identical twins, and I have always concentrated on their similarities. I did not realize that identical twins also have many differences. My identical twin cousins, Sue and Heidi, appear to be perfect mirror images. They love to dress alike. They can feel each other's pain. They sound alike and can complete each other's sentences. But upon taking a closer look, I have found that they are as different as day and night. Aside from Sue and Heidi's outward characteristics, they possess several distinguishing traits that allow them to be viewed as two separate, independent individuals.
The history of cloning dates back to 1835 with the first demonstration of artificial embryo cloning on a Sea Urchin (University of Utah Health Sciences). Today, there are two types of cloning: therapeutic and reproductive. Therapeutic cloning is defined as “the use of cloning technology for the reproduction of cells and the potential creation of semi-sentient beings purely for the purpose of harvesting body parts for transplantation” (The Dalai Lama 135). On the other hand, reproductive cloning is used solely to create an identical copy of someone or something. There could be many reasons that individuals choose to use reproductive cloning. For example, a couple who desperately want to have children but unfortunately cannot. Or in a more extreme case, as The Dalai Lama states “There could also be individuals who, out of desire to live beyond biological possibility may choose to clone themselves in the belief that they will continue to live in the new cloned being” (136). However, such individuals are not thinking about the effects that cloning could have on the world and future
7-) Studies featuring twins are especially informative for examining how nature (genes) and nurture (environment) influences a variety of traits and behaviors. Monozygotic twins are derived from one zygote and Dizygotic twins are derived from two zygotes. Monozygotic twins are more likely to be raised similar as they are of the same gender and have similar physical traits, meanwhile Dizygotic twins are less likely to be raised similar as they could be of opposite genders and have different physical traits. Since monozygotic twins inherit similar genes, they are most likely to have the same response to alcohol.
The Same but Different: How Twins Can Live, Love, and Learn to Be IndividualsJoan A. Friedman (2014)