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Cloning Presentation

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Jasmine Guajardo

on 22 April 2013

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Transcript of Cloning Presentation

Cloning... How Hard Can It Be? How Does Cloning Work? First, we will start with a female giraffe. We extract one of the giraffes eggs. The scientist needs the egg in order for the giraffe to have a way for the information of the animal being cloned (the DNA) to be stored and used. The scientist removes the nucleus of the egg cell. Now, we take another giraffe that we will clone. One of the giraffe's cells is extracted, and the nucleus is removed. The scientist then puts the extracted nucleus of the giraffe that will be cloned into the egg. An embryo is created and put back inside of the female. At the end of gestation, a giraffe clone is born. Is cloning safe and/or ethical? Is it possible to clone extinct animals? Is it safe to eat cloned animals? Would it be possible to clone a human? Many critics to cloning argue that cloning is unethical and unsafe for the clone/clones. Because the cloning process is imperfect, many of the clones genomes are flawed, and mutations often occur. Mutations and abnormalities can include: large offspring syndrome brain defects and heart defects. Also, hundreds if not thousands, of clones die before birth, which some say is unfair for the unborn infant. In theory, it is possible to clone an extinct animal In 2003, scientists managed to clone an extinct animal, the Pyrenean ibex, the last one having died in 1999. Using frozen DNA, scientists were able to momentarily bring back an extinct member of the species using the same method as cloning a still living species. At this point in time, it has been said that cloned food is already in a variety of grocery stores. Fact: all bananas today are technically clones. All bananas are "cuttings" taken from bananas thousands of years ago, and they don't reproduce sexually. In 2008, the FDA stated that cloned livestock and their offspring were safe to eat. Cloned livestock, as far as we know today, are very useful because the best of livestock (healthiest, largest, most fertile, etc.) can be cloned, and bred to continue a line of effective livestock. Today, it would not be possible to clone a human. There are too many health risks for the clone, as well as ethical issues that come up. However, scientists claim that human cloning could technically begin within 50 years, after many of the deformities that come with clones are sorted out. Many families would support cloning humans, for various reasons (for example having lost child, desire for more kids, etc.) Class Question #1 Do you think that the side effects of cloning (mutations, deformities, organ problems, etc.) outweigh the benefits of cloning (food production, reversing extinction, better understanding of the cloning process, etc.)? Class Question #4 If cloning was perfected and money was no limit, would you choose to clone yourself? Why or why not? Class Question #2 Would you want to live with extinct animals such as a Tyrannosaurus Rex? Class Questions #3 Would you eat the food in front of you if you knew that it was cloned? Why or why not? In 2001, when it became apparent that animal cloning may become a commercial venture to help improve the quality of herds, FDA requested livestock producers and researchers to keep food from animal clones or their offspring out of the food supply. "Testing for genetic disease. Cloning technology can be used to test for and perhaps cure genetic diseases."
The End Do you have any questions? Based on a final risk assessment, a report written by FDA scientists and issued in January 2008, FDA has concluded that meat and milk from cow, pig, and goat clones and the offspring of any animal clones are as safe as food we eat every day. - www.humancloning.org - www.fda.gov
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