Lecture 10 Gene cloning BIOLOGY Campbell‚ Reece and Mitchell Chapter 20 Gene cloning technology Also known as: Genetic engineering or Genetic manipulation (GM) technology – implies precision engineering being applied to DNA molecules Recombinant DNA technology - implies that new combinations of DNA molecules can be made I.e. “recombinant” DNA molecules Overview of Genetic Engineering procedure 1. Making recombinant DNA molecules that can replicate in bacterial cells Genetic engineering
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GROUP MEMBERS ZAINAB RAZZAQ IQRA MUBEEN SABIKA RAFIQ CLONING Content Introduction History Ways of Cloning Types Advantages Disadvantages Human Cloning What Is Cloning? Cloning is the process of creating genetically identical organisms Asexual organisms are reproduce by cloning themselves Human identical twins are clones of each other Clones have identical DNA but can have different personalities History of Cloning 1938 –Hans Spemann proposes a “fantastic experiment”
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Cloning describes a number of processes used to create genetically identical copies of a biological entity. Although these processes can occur naturally‚ such as in some plants and or bacteria‚ the type of cloning that is most known is the ‘artificially copying a whole organism’ cloning. According to the National Institutes of Health‚ scientists remove a mature somatic cell‚ any type of cell‚ except a sperm or egg cell‚ from the animal the scientists desire to copy. The chosen DNA is then transferred
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The Possibilities of Cloning By many cloning is viewed as humans going into divine territory‚ however cloning is so much more. It is a window to the past and hope for the future. Cloning has the potential bring loved ones back to life after an accident or violent crime‚ as well as allowing personal organs to be grown so people no longer die awaiting a life saving transplant‚ and it could allow women who are unable to bear children to
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Before the famous Dolly the Sheep‚ cloning was not quite what it is considered today. The first example that could be considered “cloning” took place in 1885. Hans Adolf Edward Dreisch discovered that if he shook the two-celled embryos of sea urchins‚ the cells could separate and grow into two identical sea urchins. A couple decades later in 1902‚ Hans Spemann decided to find out if he could do the same‚ this time with salamander embryos. These embryos were stickier than those of sea urchins so
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Cloning is asexual reproduction. Cuttings are taken from a mother plant in vegatative growth‚ and rooted in hydroponic medium to be grown as a separate plant. The offspring will be plants that are identical to the parent plant. Cloning preserves the character of your favorite plant. Cloning can make an ocean of green out of a single plant‚ so it is a powerful tool for growing large crops‚ and will fill a closet quickly with your favorite genetics. When you find the plant you want to be your "buddy"
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Reproductive cloning is a technology used to generate an animal that has the same nuclear DNA as another currently or previously existing animal. Dolly was created by reproductive cloning technology. In a process called "somatic cell nuclear transfer" (SCNT)‚ scientists transfer genetic material from the nucleus of a donor adult cell to an egg whose nucleus‚ and thus its genetic material‚ has been removed. The reconstructed egg containing the DNA from a donor cell must be treated with chemicals or
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Brackett Biology Ms. Lecco Block 1A Human Cloning: Helpful or Harmful? Human cloning‚ which was once thought of as the witchcraft involved in fictional stories‚ is a true thing in the real world. Human cloning involves replicating DNA of one organism into another one (Human Cloning). The controversial topic of cloning is seen by citizens that it could be beneficial for all humans‚ but by many people it is conceived as immoral and unsafe. Human cloning should not be allowed because the health risks
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To consider the cloning of another human being forces me to question the very concepts of right and wrong that make us all human. <br> <br>Until the birth of Dolly the sheep‚ the first mammal to be successfully cloned‚ it was thought that the ability to clone an adult human was impossible or would only be possible somewhere in the distant future! But that has all changed with the birth of Dolly and the explosion of advances in the field of Embryology and genetic screening. These advances are leading
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has their specific views on what is right and what is wrong‚ which brings us to the question of what is ethical when it comes to cloning especially on humans and animals. Cloning has become a great controversial issue in today’s world where scientists and other people have different views on cloning. Some are hopeful as they believe that through genetic engineering‚ cloning is our future‚ giving the potential to save the lives of many people from terrible and deadly diseases. Nevertheless‚ some people
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