Read e-book online A Terrible Beauty is Born: Clones, Genes and the Future of PDF

By Brendan Curran

ISBN-10: 0415287081

ISBN-13: 9780415287081

ISBN-10: 041528709X

ISBN-13: 9780415287098

Genetics and its comparable applied sciences are revolutionizing the realm. The media is often ruled by way of controversy over the newest genetically transformed (GM) foodstuff, human gene remedy or melanoma chip know-how. Maverick scientists are within the strategy of cloning people, and the human genome series is obtainable on the net. Fifty years in the past we didn't comprehend what a gene used to be; at the present time the outstanding strength of genetics is being published on an unsuspecting public, and with it an entire sequence of moral dilemmas undreamt of even ten years in the past. The query now has develop into now not "can we?" yet "should we?" by means of demystifying genetic engineering and exploring the elemental biology of the residing international, A bad attractiveness is Born explains how clones and cloning expertise are in lots of methods extensions of techniques that take place continually in nature. Used correctly those tactics have the aptitude to carry huge, immense advantages; abused, they bring with them power hazards that we forget about at our peril.

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Extra resources for A Terrible Beauty is Born: Clones, Genes and the Future of Mankind (Science Spectra)

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5 (b)). This ensures that A only ever joins T whereas G only ever joins up with C. If we prise the two strands apart a second time and hold them apart long enough to scan down the length of one strand we will see an endless Copyright 2003 Taylor & Francis What is it about the nucleus? g.... TATGGCTAG .... If we now look at the sequence of bases on the opposite strand, it reads ... ATACCGATC ... 6), all T C due to the very precise and specific A-T and G-C pairing; base pairing means that each strand is complementary to the other.

1 An intricate interaction of hundreds of different proteins is required every time one cell divides into two. Copyright 2003 Taylor & Francis The health of the nation regulating cholesterol levels, they are positively clear-cut. Nothing, it seems, is simple in affairs of the heart. Cholesterol is an essential constituent of our cells, normally absorbed from the intestine or made in the liver. It has to be transported around the body but it does not dissolve in the watery part of our blood, so the body encases the cholesterol to facilitate its transport through the bloodstream.

Although a predisposition to some forms of cancer can be inherited, the majority of the mutations responsible for the development of uncontrollable cell proliferation occur as our bodies mature and grow old. Every time a cell divides, its DNA is replicated. The enzymes responsible for synthesising the new DNA molecules make occasional errors – about one base per million incorrectly copied – and so mutations accumulate as cells divide. Moreover, environmental factors may accelerate this process because they can cause damage to the DNA of dividing and non-dividing cells alike.

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A Terrible Beauty is Born: Clones, Genes and the Future of Mankind (Science Spectra) by Brendan Curran

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