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Sheep Cloning

             Cloning is one area of genetics that is advancing very rapidly, and it is therefore very controversial. A clone is a group of genetically identical cells descended from a single ancestor. A clone is made up of plasmids, groups of identical structures, that contain genetic material such as mitochondria and chloroplasts. Plasmids are found in bacteria and yeasts. The bacteria in yeasts are combined with an animal or plant genes that allow scientists to produce identical copies of the gene.
             Cloning is a very important subject in life because the cloned organisms are useful in research. Scientists can test different drugs and other chemicals on bacterial clones. .
             The history of cloning shows how far scientists have come with this area of genetics. This history is important because it lets us know how far cloning has come to include subjects, such as plants, animals, and humans. It is also helpful because we can look back and become educated about this topic. .
             Cloning plants was a lot easier than cloning animals. Plant breeders have been taking advantage of the ability of cloning for a long time. The clone will need to have exactly the same genes as the original. The farmer that grows these plants from seed never knows exactly how it's going to turn out. Cloning also saves time because, plants grown in test tubes bloom sooner than plants grown from seed. .
             Every year 8 billion trees are cut down for human needs. Cloning might solve the problem of cutting down to many trees. In 1998 an .
             Australian company ForBio announced a new technology for cloning and growing trees. This technology can help scientists produce about 1000 clones a day. At that rate it would be very expensive to produce this number of clones. ForBio could then produce 50 million trees by 3 years. .
             It is exciting to clone animals but it might be dangerous. It's not good to use animals just like it's something small. The cloning of animals is still in its early stages.


Essays Related to Sheep Cloning

1. cloning

... Cohen and Boyer create first recombinant DNA organisms. 1978, the release of David Rorvik's book, In His Image: The Cloning of a man sparks a worldwide debate on cloning ethics. 1984 Steen Willadsen, a Danish scientist, reports he has made a genetic copy of a lamb from early sheep embryo cells, a process now called "twinning." Other scientists will eventually use his method to "twin" cattle, pigs, goats, rabbits ... is not possible. However, others would argue that animal rights are violated when doing research and testing on animals. It took 277 attempts in order to successfully clone ...

  • Word Count: 2522
  • Approx Pages: 10
  • Has Bibliography
  • Grade Level: High School

2. Cloning

... Cohen and Boyer create first recombinant DNA organisms. 1978, the release of David Rorvik's book, In His Image: The Cloning of a man sparks a worldwide debate on cloning ethics. 1984 Steen Willadsen, a Danish scientist, reports he has made a genetic copy of a lamb from early sheep embryo cells, a process now called "twinning." Other scientists will eventually use his method to "twin" cattle, pigs, goats, rabbits ... is not possible. However, others would argue that animal rights are violated when doing research and testing on animals. It took 277 attempts in order to successfully clone ...

  • Word Count: 2146
  • Approx Pages: 9
  • Has Bibliography

3. Human Cloning

... ultimately immoral and its intended use will be abused. Several years ago, scientists in Scotland made an exact copy of an adult sheep in a process called cloning. What the researchers actually did: they took an unfertilized egg cell from a female sheep and removed the entire DNA (genetic information) from the nucleus that is needed to produce an embryo. Next, they took a cell- that ... (Science). But this was the first time anybody had made adult mammal genes behave like genes in a fertilized egg. Dr. Ian Wilmut, regarding the purpose of cloning of the sheep, said he was just trying to...

  • Word Count: 2755
  • Approx Pages: 11

4. Cloning

... and the result was several tadpoles ("Early" 1). Until 1996 scientists thought that mature organisms were to specialized to be cloned. The issue of cloning lay dormant until 1996 when an actual sheep was cloned. This cloning came after many mishaps of cloned sheep that died or were born deformed; almost 300 attempts were made before success came. The way that scientists cloned Dolly, the ... sheep, was by a process called somatic cell nuclear transfer cloning (McCuen 11). In 1997 a calf was cloned using a more efficient way of cloning. The way it was done was a nuclear transplantation w...

  • Word Count: 1715
  • Approx Pages: 7
  • Grade Level: High School

5. Human Cloning

... ultimately immoral and its intended use will be abused. Several years ago, scientists in Scotland made an exact copy of an adult sheep in a process called cloning. What the researchers actually did: they took an unfertilized egg cell from a female sheep and removed the entire DNA (genetic information) from the nucleus that is needed to produce an embryo. Next, they took a cell- that ... (Science). But this was the first time anybody had made adult mammal genes behave like genes in a fertilized egg. Dr. Ian Wilmut, regarding the purpose of cloning of the sheep, said he was just trying to...

  • Word Count: 2707
  • Approx Pages: 11

6. Human Cloning

... had this technology in the 1940's? Each generation has a powerful leaders, dictators, and terrorists that could possibly abuse this technology. Human cloning is a very complicated procedure. The cloning technique is called somatic cell nuclear transfer, the process used to create "Dolly" the sheep. Her DNA was taken from a single cell from her mother's egg, which is fused with a mammary cell. The fused cell ... . However this process does not work every time. It took over 277 attempts for "Dolly" to be created as a healthy viable sheep (Mcgee 101). A second type of cloning is advocated c...

  • Word Count: 1800
  • Approx Pages: 7
  • Grade Level: High School

7. Human Cloning-research paper

... the greatest impact on mankind of any invention in history. Cloning is not nightmarish and inhumane as it is made out to be in science fiction movies. If we continue carefully researching cloning, mice and sheep will not be our greatest achievement. There are three different types of cloning: embryo cloning, adult DNA cloning and therapeutic cloning. Each type has a different purpose, procedure and outcome ... . Embryo cloning is cloning that produces identical twins or triplets. One or more cells are removed from a ... . Twenty-nine of the cells began to divide and were placed in sheep....

  • Word Count: 1583
  • Approx Pages: 6
  • Has Bibliography
  • Grade Level: High School

8. Cloning

... many people may believe that cloning is omnipotent or unethical, one must realize the beneficial outcomes that cloning can bring forth to the human race. Many people strongly opposed one of the first clonings of a sheep named Dolly. Dolly was a genetically cloned sheep that raised many questions. The ... fact that it took 277 attempts to have one successful clone helped nurture peoples thoughts and questions to the idea.(3) However, the cloning of Dolly did bring a lot of ... Cell Technology) have frequently succeeded in impregnated cows and pigs using cloned cells.(3) During all of the...

  • Word Count: 1310
  • Approx Pages: 5
  • Grade Level: High School

9. Cloning

... been dreamt of but the technology was just not there to do it. But now the cloning a whole human being really seems possible. With developments in the cloning world of the first whole mammal with Dolly the Sheep. Now the ethics of doing so must be carefully considered. Many of the world's ... religious groups and health organizations are making motions against this idea. A clone is a group of genetically identical cells that have the same DNA strands. The process of Adult DNA cloning involves removing ... the DNA from an embryo and replacing it with the DNA from a cell removed from an i...

  • Word Count: 1997
  • Approx Pages: 8
  • Has Bibliography
  • Grade Level: High School

10. cloning

... Nash 61). It seems that every week, newspapers report on new advances in the science of cloning. Everybody knows about Dolly the cloned sheep, but few people know all the details about cloning, including the fact that scientists have been working on it for over 100 years. Hans Dreisch ... has a very good argument. Many couples have difficulties having children, and sometimes it is impossible for couples to have children because they are infertile. Cloning would allow these couples to have children. Also, occasionally a woman is born without a uterus or has other complications and cannot p...

  • Word Count: 1976
  • Approx Pages: 8
  • Grade Level: High School

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