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Transcript

Should Human Cloning Be Legal?

Human Cloning

  • the creation of a genetically identical copy of an existing, or previously existing, human being or growing cloned tissue from that individual

Affirmative

Negative

  • ''It will enable us to study genetic diseases for which there is presently no cure and track down the mechanisms that are involved." -Dr. Wilmut, creator of Dolly
  • human cloning can be used for making copies of organs
  • clones will still be unique, since twins are unique
  • heriditary diseases can be avoided by cloning a child from a single parent
  • humans and animals are equal (if we can clone animals, we can clone humans)
  • clones will just be like twins, but born in a different way
  • ''It's unbelievable. It basically means that there are no limits. It means all of science fiction is true. They said it could never be done and now here it is, done before the year 2000.'' -Dr. Silver, biology professor at Princeton University
  • clones have feelings and should not be used as vessels for organs
  • clones would disrupt the fact that everyone is unique
  • human cloning will be trial and error since no one has done it before, thus, mutations and mistakes might occur
  • increase in population means less jobs

Introduction

  • July 5, 1996: scientists successfully clone a mammal from an adult cell (Dolly the sheep) in Scotland
  • a cell from a six-year old sheep was combined with an unfertilized sheep egg (which had its original DNA removed beforehand) to form an embryo
  • took 277 attempts
  • died on February 14, 2003 (6.5 years old)
  • on average, sheeps live to 11-12 years old
  • Dolly suffered from arthritis and a virus-induced lung tumor common among sheep raised indoors
  • May 15, 2013: Shoukhrat Mitalipov, a professor at Oregon Health & Science University successfully reprogrammed human skin cells back to their embryonic state (the purpose of the study, however, was not to generate human clones but to produce lines of embryonic stem cells) => these can develop into muscle, nerve or other cells that make up the body’s tissues (took only a few months)

Dolly the Sheep

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