Friday, September 27, 2013

Redesigning Dad

Us New world Report                                                      10-31-01 November 5, 2001                                                      CP. 8 Redesigning papa spermatozoan may be the best place to throw damage components. The technology is just slightly ready.         What if a restore could ingest corrected each defect in a mans sperm before fertizing the egg. This scenario is edging closer to reality now, as scientists visualise out how to slip new genes into the sperm-producing cells of lab animals, tractable genectically wangle sperm. Just last week they announced that the techonology worked as mean: Mice equipped with gene-adapted sperm puffed the gene to their descendants. Scientists are thinking about victimization similar techniques to tinker with forgivings polygenic inh eritance to bring to genetic unsoundnesss and create genetically engineered superhummans.          forever since scientists started testing gene tharapy in clinical trials more than a decade ago, theyve concur never to alter genes in humman sperm, eggs, or embryos. But so far this strategy has been disappointing.         Unlike sperm, human eggs are scarce and trick to work with, so scientists go for correcting genetic diseases in sperm. A man would first off imbibe a testicular biopsy to remove some of the original cells that develop into sperm.
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Scientists would alter these cells by insert ing genes or activating the cells DNA-repair! mechanisms. Finaly, doctors would irradiate the mans testes to destroy any remaining sperm-producing cells and reimplant the altered ones. Then he would not pass on a genetic disease to his progeny.         Other scientists are pushing more modest proposals in which they would produce altered sperm in the lab. before using the sperm to feast an egg, they could test it to make sure it was sizeable and lacked the genetic defect. all one healthy sperm would be used to call back a child. Scientists working with animals have already developed... If you want to catch a full essay, ordinate it on our website: OrderCustomPaper.com

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