... of a clone, an organism, or group of organisms, derived from another organism by an asexual reproductive process (Church of Scotland, 02). With other techniques scientists can isolate sections of DNA representing single genes, determine their nucleotide sequences, and reproduce them in the laboratory. This offers the possibility of creating entirely new genes with commercially or medically desirable properties. I think ... to grow neurons to cure those who suffer from Alzheimer's, Parkinson's or Rett Syndrome. * Here's how therapeutic cloning works: DNA is extracted from a sick person. T...

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... are removed from a fertilized embryo and encouraged to develop into one or more duplicate embryos. Twins or triplets are thus formed with identical DNA (Nash 61). It seems that every week, newspapers report on new advances in the science of cloning. Everybody knows about Dolly the ... to create and other labs were unable to reproduce the results. In addition, it took over a year for the institute to test Dolly's DNA to make sure that it was, indeed, the same as that of the frozen mammary cells (Gedney 138). Science, although temporarily impressed, demanded ... complicated. Take an egg an...

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... be split a few times therefore can only produce a few clones. The second technique, somatic nuclear replacement, has the potential to create endless numbers of the same person. It involves transferring DNA from a person's cell to a genetically blank egg. Scientists would need two cells. One cell is a body cell from the individual the wish to clone. This cell contains the ... will make the clone. It is a somatic cell, which is a cell from an organ or tissue. The second cell is an unfertilized egg. The nucleus is removed from the egg so it no longer contains any genetic material or DNA. T...

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... the humans failed. The second method of cloning is achieved by using an adult cell, not an embryo. To do this scientists remove an egg cell from a female, and remove the chromosomes, nucleus, etc, leaving no way for the mother to interfere with the genetic part of the reproduction. ... baby develop. The result: a physical clone of the animal. The process for cloning Dolly was as follows: The nucleus is removed from an oocyte or non-fertilized egg, collected from a Scottish blackface ewe. A nucleus from a quiescent mammary cell is injected into the oocyte. A quiescent cell is one that has ...

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... with exactly the same genetic material. Clones can be made from DNA. Scientists use DNA cloning techniques to reproduce specific genes. They first isolate a DNA fragment containing a particular gene. Then they combine the DNA fragment with the plasmid DNA to form recombinant DNA. This plasmid DNA can reproduce very easily, which also helps the new recombinant DNA replicate easily. So, scientist can generate large quantities of the recombinant ... DNA and the particular gene of interest. Animals can also be cloned. This is done by first destroying the nucleus of an egg cell from the speci...

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... it stops growing. Scientists need to determine whether ES cells can be taken from an embryo, which was created by fusing a human egg with a stripped cow egg. Cibelli refuses to talk about what they have done and their progress surrounding their project, but they have gone to a European patent ... the process. (Daniel Pendick, August 16, 1997) A study presented at a meeting of the International Embryo Transfer Society in Boston suggests that cow egg cells and cloning may also come to the rescue of many endangered animals. Cloning could possibly be the technology that preserves these end...

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... triplets. The next way of cloning is called Somatic Cell Nuclear Transfer (9). This is where taking the nucleus from one cell and placing it into an egg, creating a clone of an already living thing (10). There are many questions when it comes to cloning and the ethics of cloning. For example, ... question, no cloning a dead person such as Albert Einstein, Shakespeare, or Picasso is not possible (Stanley 28). To be cloned the person has to have living DNA , meaning they must be alive today (Stanley 28). Don't forget the animals, with the idea of cloning it is possible to clone endangered...

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... and ovaries from females) dogs and cats, or from an abattoir in the case of livestock. The egg is typically matured for about 24 hours so that the genetic material (DNA) is congregated in the nucleus. Using the syringe system to create a gentle suction, the egg is held in place by the holding pipette. The enucleation pipette is then used to pierce the ... eggshell and penetrate the egg membrane. Suction is applied and the nucleus containing the genetic material is removed and ... transferred to surrogates at different times. The concept of cloning conceptually is very simple. What you ...

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... life and it's regeneration and brings it to life through the process of cloning. In 1938 a German scientist Hans Spemann proposes a "fantastical experiment" to transfer one cell's nucleus into an egg without a nucleus, the basic method that would eventually be used in cloning. Fourteen years later in 1952 Briggs and King clone tadpoles. Another scientist John Gurdon clones frogs from differentiated ... a fatal disease could wipe out the human race. In order to have a better understanding of cloning it is important to understand that cloning has three different divisions: embryo cloning, ...

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... animal. An electric current is passed trough the two cells to fuse them together. The parent stem cell now begins to direct the function of the enucleated egg cell. The two cells have now become one. This new cell is placed in side the uterus of a surrogate mother and would then be allowed to ... stem cell . By reading the previous paragraph you have looked into the world of cloning and it is pointed out the cloning is not the writing of DNA , or genetic code. The process is not very evasive to the animals and they are unharmed during the whole process. And still, the final product is .....

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... of either parent, as in the case of Dolly, the Scottish white-faced sheep, because the splitting is done after the union of sperm and egg. Dolly's birth, explained in detail in the article "Cloning: Will There Ever Be Another Ewe?", was the result of cloning using a technique ... cell in the body except a germ cell," and contains the same entire set of DNA. Dolly's story is revolutionary, in that, before her birth, it was deemed unfeasible to make a somatic cell differentiate as if it were a fertilized egg. Dolly, conversely, changed that notion. She was created by taking a somatic cell ...

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... one other organism, which brings about an exact copy. Clones have the same exact DNA as its parents. (Cloning, 195) The process of cloning involves inserting the DNA of an animal or a human into an unfertilized egg whose nucleus has been removed.(Lamb, 12) Cloning first came to attention roughly thirty ... begins to divide which leads to the formation of a blastocyst. The blastocyst is then transferred to the uterus further development of the egg can undergo the normal process. The second method of cloning is embryo splitting. The procedure begins with the process of in vitro ... ferti...

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... started in 1997 by Rael, the leader of the Raelian movement who believes that extraterrestrials created human life on earth. They say that extraterrestrials used DNA and genetic engineering to create all life on earth. Until lately there wasn't a federal law against human cloning in the United States. Recently the ... same process that was used to make Dolly. They will first remove the nucleus of an egg which makes an enucleated egg. A cell that contains DNA will be taken from the person to be cloned. Next, the egg and the cell will be fused together using electricity. This process creat...

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... various ways that may help or harm society as a whole. What Is Cloning There are three types of cloning that exist, reproductive cloning, DNA cloning, and therapeutic cloning. The American Heritage Dictionary has three different definitions for cloning. 1) A cell, group of cells, or organism that ... single original cell. 2) An organism descended asexually from a single ancestor, such as a plant produced by layering or a polyp produced by budding. 3) A DNA sequence, such as a gene, that is transferred from one organism to another and replicated by genetic engineering techniques. The Ame...

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... what human cloning is. In the simplest language, cloning is the process in which the DNA from some cell of a body is put by an electrical shock into a female egg cell whose DNA has been removed. Then the egg cell is implanted into a womb, and after that it grows as same as a natural ... baby does.1 Many scientists think human cloning is a good way for infertile couples and unmarried people to have a child of their own. Right now, it is the only way for those people to have a kin child. They just need to find a suitable mother and give DNA ... so that they can make more contributions to...

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Bioethics on human cloning. Introduction Cloning is an replication of another living thing which has the same DNA content with the original organism. The characteristics and features of the clone will be as the same as the original organism because the content of DNA is totally the same. The first successful cloning Doly the sheep Biological significance Human somatic cell nuclear ... transfer, otherwise known (somewhat inaccurately) as creating an embryo by "cloning," involves1: The starvation and subsequent implantation of DNA from specialized, non-sexual cells of one organism (e.g., cells ...

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... a unique sheep named Dolly. Dolly was a clone sheep born on February 12th 1997. Cloning is the process of creating a genetic duplicate of an individual. It involves taking DNA from an organism, living or dead, and replacing the nucleus of the egg with it. This would mean that an individual would grow with the exact genetic make-up of the person that the ... DNA was taken from. It needs no sperm to fertilise it as it already contains a full DNA strand, unlike the process involved with normal fertilisation where the sperm holds half ... the strand and the egg holds the other half. Up unt...

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... has the same genes as its parent. You take an egg and remove its nucleus, which contains the DNA/genes. Then you take the DNA from an adult cell and insert it into the egg, either by fusing the adult cell with the enucleated egg, or by a sophisticated nuclear transfer. You then stimulate the reconstructed egg electrically or chemically and try to make it start to ... divide and become an embryo. You then use the same process to implant the egg into a surrogate mother that ... humans is only to be used in a marriage between husband and wife. Cloning only involves one parent, therefore i...

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... transferred the nucleus of a salamander embryonic cell into a cell with no nucleus. Using a strand of hair, he tightened a loop around a newly fertilized egg, until he separated the nucleus and some of the cytoplasm. The side with the nucleus divided until it has sixteen cells. Spemann then loosened the loop ... didn't have a clue of how to do it. A very significant contribution came in 1944 when American Oswald Avery located the nucleic acid DNA as the carrier of genetic information, instead of proteins in the cell. Further insight into this concept came in 1950 when Alfred Hershey and ...

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... got to be the large-scale discussion it is today. In 1938, Hans Spemann thought of a "fantastical experiment" to transfer one cell's nucleus into an egg without a nucleus. That is the basic thought in the process of cloning. In 1944, Oswald Avery discovered that genetic information was carried by the nucleic acids ... a clone of a monkey was done in March of 1997. That brought the cloning close to humans due to the relative likeness between primate and human DNA. There are many benefits to cloning. Many of the reasons people really want to see the cloning continue are the medical benefit...

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... cells turn off their active genes, and go into hibernation. An unfertilized egg is then taken out of an adult ewe, and the eggs nucleus, along with its DNA, is sucked out. Thus leaving an empty egg cell that still has the cellular machinery to produce an embryo. The empty egg and the culture of the starved cells are then placed next to each ... other. An electronic pulse causes the egg and cells to fuse together, and a second pulse is given ... that shares identical genes from the sheep from which the cells were extracted from the udder. Although scientists understand most of the cloni...

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... on his essay **-On Cloning a Human Being- "it is now theoretically possible to recreate an identical creature from any animal or plant, from the DNA contained in the nucleus of any somatic cell". -Definition of cloning- L. Thomas has an interesting, logical yet humorous way of explaining such complex ... reproductive cloning, the problem in question would no longer exist, because the malfunctioning eggs would be complemented with their own adult working cell's DNA creating a newborn with the same genetic composition as the mother but without the defects contained in her eggs. A similar ...

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... She was created using the technique of somatic cell nuclear transfer, where the cell nucleus from an adult cell is transferred into an unfertilized oocyte (developing egg cell) that has had its nucleus removed. This alarmed the Scotland public because of its scientific implications. The public was shocked upon the idea of ... is put in media with the perfect atmosphere to survive. Then scientists remove the nucleus from unfertilized human egg cell and implant it in the cell. Shock the cell to make the cells combine and cause DNA to move back and forth and create the embryo; repeat until...

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... person being cloned. "To clone any animal, Navara says the first step is to take the DNA out of an egg. DNA is the part of a cell that tells it what to do. Then, scientists inject the DNA from the organism they want to clone into that egg and try to get it to divide and grow into an embryo. In reproductive cloning, the embryo ... is then implanted into a surrogate, where it is supposed to continue to develop" (Discovery 1). What cloning does is that it copies the DNA/genes of the person and creates ... ...

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... world. People are affected by it every day in ways they hadn't dreamt imaginable. Such processes include: amniocentesis, the freezing of human sperm and eggs, and DNA fingerprinting. If there is a great possibility that a fetus has a genetic disease, a doctor will take a small amount of the amniotic fluid and use the ... chromosomes to determine if there are any problems with the unborn child. Also, human sperm and egg can be frozen for use at a later time by the donors or other people wishing to use them. DNA fingerprinting can be used to identify the parents of children. This happens ...

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