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Cloning 2 - School Essays

Cloning 2

Of all the terms coined by scientists which have entered popular vocabulary, 'clone' has
become one of the more emotive. Strictly speaking a clone refers to one or more offspring
derived from a single ancestor, whose genetic composition is identical to that of the
ancestor. No sex is involved in the production of clones, and since sex is the normal means
by which new genetic material is introduced during procreation, clones have no choice but
to have the same genes as their single parent. In the same way, a clone of cells refers
simply to the descendants of a single parental cell. As such, adult organisms can be viewed
as clones because all their parts stem from the single cell which is ...

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whose genetic constitution is a replica of
another existing individual. Such a feat can be achieved by substituting the nucleus, which
contains the genes, from one of the cells making up that individual's body, for the nucleus
of a fertilised egg.

Since our genes dictate to a large extent what we look like, how we behave and what we
can and cannot do, having identical genes, as identical twins do, ensures something more
than mere similarity. Novelists and film makers have not been slow to exploit the imagery
afforded by cloning. Limitless numbers of identical beings manufactured from existing or
previous generations has obvious dramatic potential, although seldom of a reassuring
nature. Clones traverse the cinema screen as crowds of dehumanised humans destined for
monotonous drudgery, as invincible armies of lookalikes from outer space, as replicas of
living megalomaniacs and, in the ultimate fantasy, as the resurrected dead - troupes of little
Hitlers and ...

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PAPER DETAILS

Added: 10/5/2008 08:21:10 PM
Category: Science & Nature
Type: Free Paper
Words: 946
Pages: 4

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