Tag: genetic engineering
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DNA, the molecule underlying every form of life on this planet, is in essence a very long chain of sugar and phosphate molecules connected end to end ('long' being a relative term, of course - a molecule 5 centimeters long is gargantuan when you take into account the fact that it's only about 2.4 billionths of a meter in diameter). Each link in the chain is called a nucleotide, and is comprised of one of four possible compounds, adenine, thymine, cytosine, and guanine. Adenine bonds with thymine and cytosine to guanine; each pairing has two possible orientations, for example A-T …
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Geneticists at the University of Nevada have spent the past seven calendar years working on producing viable chimaerae, hybrid organisms of human and nonhuman natures. The project's most remarkable success to date was announced yesterday: A sheep that is 15% human by cell count. That's right - one tenth of its cellular makeup is from an unknown specimen of homo sapiens sapiens. During gestation, cells from an adult human were injected into the peritoneum of a sheep fetus, which allowed the cells to be integrated through the course of foetal development.
The purpose behind these experiments are the eventual development of …
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