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Archives
Category Archives: Genetic Engineering
Redesigning the World: Ethical Questions About Genetic …
Posted: Published on July 8th, 2016
Redesigning the World Ethical Questions about Genetic Engineering Ron Epstein 1 INTRODUCTION Until the demise of the Soviet Union, we lived under the daily threat of nuclear holocaust extinguishing human life and the entire biosphere. Now it looks more likely that total destruction will be averted, and that widespread, but not universally fatal, damage will continue to occur from radiation accidents from power plants, aging nuclear submarines, and perhaps the limited use of tactical nuclear weapons by governments or terrorists. What has gone largely unnoticed is the unprecedented lethal threat of genetic engineering to life on the planet. It now seems likely, unless a major shift in international policy occurs quickly, that the major ecosystems that support the biosphere are going to be irreversibly disrupted, and that genetically engineered viruses may very well lead to the eventual demise of almost all human life. In the course of the major transformations that are on the way, human beings will be transformed, both intentionally and unintentionally, in ways that will make us something different than what we now consider human. Heedless of the dangers, we are rushing full speed ahead on almost all fronts. Some of the most powerful multinational chemical, pharmaceutical … Continue reading
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Genetic Engineering – The New York Times
Posted: Published on April 7th, 2016
Latest Articles A genetically modified mosquito might eradicate the mosquito species that carries the Zika virus but must first survive a cumbersome approval process. By NINA FEDOROFF and JOHN BLOCK A Senate bill that would prevent states from requiring food labels to note the presence of genetically modified ingredients failed on Wednesday. By STEPHANIE STROM The senators will consider whether the government should require labeling on foods containing genetically engineered ingredients, an issue that has split the food industry. By JENNIFER STEINHAUER and STEPHANIE STROM A trial in the Florida Keys has been tentatively approved, but public comment must be assessed first by the agency. By ANDREW POLLACK A diverse biotechnology company hopes its genetically engineered mosquitoes can help stop the spread of a devastating virus. But thats just a start. By ANDREW POLLACK An official of a dairy association says G.M.O. products are safe and that any labeling rules should be national, not state by state. States should be free to require the labeling of genetically modified food if they want to. By THE EDITORIAL BOARD . By PAM BELLUCK Researchers worldwide have been observing a voluntary moratorium on changes to DNA that could be passed down to subsequent … Continue reading
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History of genetic engineering – Wikipedia, the free …
Posted: Published on April 7th, 2016
Genetic modification caused by human activity has been occurring since around 12,000 BC, when humans first began to domesticate organisms. Genetic engineering as the direct transfer of DNA from one organism to another was first accomplished by Herbert Boyer and Stanley Cohen in 1973. The first genetically modified animal was a mouse created in 1973 by Rudolf Jaenisch. In 1983 an antibiotic resistant gene was inserted into tobacco, leading to the first genetically engineered plant. Advances followed that allowed scientists to manipulate and add genes to a variety of different organism and induce a range of different effects. In 1976 the technology was commercialised, with the advent of genetically modified bacteria that produced somatostatin, followed by insulin in 1978. Plants were first commercialised with virus resistant tobacco released in China in 1992. The first genetically modified food was the Flavr Savr tomato marketed in 1994. By 2010, 29 countries had planted commercialized biotech crops. In 2000 a paper published in Science introduced golden rice, the first food developed with increased nutrient value. Genetic engineering is the direct manipulation of an organism's genome using certain biotechnology techniques that have only existed since the 1970s.[2] Human directed genetic manipulation was occurring much … Continue reading
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What Is Genetic Engineering?
Posted: Published on March 31st, 2016
What is Genetic Engineering? Written by: Dr. Ricarda Steinbrecher WEN Trust, July 1998 Synthesis/Regeneration: A Magazine of Green Social Thought, Vol. 18 (Winter 1999), pp. 9-12 [Note: For technical reasons, the graphics accompanying the orginal article have not been reproduced here.] We find it mixed in our food on the shelves in the supermarket--genetically engineered soybeans and maize. We find it growing in a plot down the lane, test field release sites with genetically engineered rape seed, sugar beet, wheat, potato, strawberries and more. There has been no warning and no consultation. It is variously known as genetic engineering, genetic modification or genetic manipulation. All three terms mean the same thing, the reshuffling of genes usually from one species to another; existing examples include: from fish to tomato or from human to pig. Genetic engineering (GE) comes under the broad heading of biotechnology. But how does it work? If you want to understand genetic engineering it is best to start with some basic biology. What is a cell? A cell is the smallest living unit, the basic structural and functional unit of all living matter, whether that is a plant, an animal or a fungus.Some organisms such as amoebae, bacteria, … Continue reading
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Genetic Engineering Careers in India : How to become a …
Posted: Published on September 10th, 2015
Genetic Engineering (GE) is a highly complicated and advanced branch of science which involves a wide range of techniques used in changing the genetic material in the DNA code in a living organism. 'Genetic Engineering' means the deliberate modification of the characters of an organism by the manipulation of its genetic material.Genetic engineering comes under the broad heading of Biotechnology. There is a great scope in this field as the demand for genetic engineers are growing in India as well as abroad. A cell is the smallest living unit, the basic structural and functional unit of all living matter, whether a plant, an animal, humans or a fungus. While some organisms are single celled, others like plants, animals, humans etc are made up of a lot more cells. For eg humans have approximately 3 million cells. A cell is composed of a 'cell membrane' enclosing the whole cell, many 'organelles' equivalent to the organs in the body and a 'nucleus' which is the command centre of the cell. Inside the nucleus are the chromosomes which is the storage place for all genetic (hereditary) information which determines the nature and characteristics of an organism. This information is written along the thin … Continue reading
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Genetic engineering – Memory Alpha, the Star Trek Wiki
Posted: Published on September 10th, 2015
A portrait of Khan Noonien Singh, a man who was a product of genetic engineering Genetic engineering, or genetic manipulation was a process in which the DNA of an organism was selectively altered through artificial means. Genetic engineering was often used to produce "custom" organisms, such as for agricultural or medical purposes, as well as to produce biogenic weapons. The most common application of genetic engineering on intelligent beings in the Federation was corrective DNA resequencing for genetic disorders. A far more dubious application of genetic engineering was the genetic enhancement of individuals to produce improved senses, strength, intelligence, etc. During Earth's 20th century, efforts to produce "superhumans" resulted in the Eugenics Wars. Genetically engineered individuals such as Khan Noonien Singh attempted to seize power. (TOS: "Space Seed") This would lead to the banning of genetic engineering on Earth by the mid-22nd century, even research which could be used to cure critical illnesses. This ban was implemented because of the general fear of creating more tyrants such as Khan. It was also felt that parents would feel compelled to have their children genetically engineered, especially if "enhanced" individuals were allowed to compete in normal society. Some, including geneticist Arik Soong, … Continue reading
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Genetic Engineering – Oswego City School District Regents …
Posted: Published on September 10th, 2015
Vocabulary: selective breeding, recombinant DNA, artificial selection, inbreeding, hybridization, genetic engineering, restriction enzyme, cloning, genetic mapping, Human Genome Project Genetic Engineering Throughout recorded history, humans have used selective breeding and other methods to produce organisms with desirable traits. Our current understanding of genetics and heredity allows for the manipulation of genes and the development of new combinations of traits and new varieties of organisms. This includes various aspects of DNA technology, including recombinant DNA technology. Scientists have also developed many ways of determining the genetic makeup of different organisms, including humans. Selective Breeding For thousands of years new varieties of cultivated plants and domestic animals have resulted from selective breeding for particular traits. Some selective breeding techniques include artificial selection, where individuals with desirable traits are mated to produce offspring with those traits. A variation of this process traditionally used in agriculture is inbreeding, where the offspring produced by artificial selection are mated with one another to reinforce those desirable traits. Hybridization is a special case of selective breeding. This involves crossing two individuals with different desirable traits to produce offspring with a combination of both desirable traits. An example of this are Santa Gertrudis cattle, which were developed by … Continue reading
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Genetic engineering news, articles and information:
Posted: Published on August 27th, 2015
TV.NaturalNews.com is a free video website featuring thousands of videos on holistic health, nutrition, fitness, recipes, natural remedies and much more. CounterThink Cartoons are free to view and download. They cover topics like health, environment and freedom. The Consumer Wellness Center is a non-profit organization offering nutrition education grants to programs that help children and expectant mothers around the world. Food Investigations is a series of mini-documentaries exposing the truth about dangerous ingredients in the food supply. Webseed.com offers alternative health programs, documentaries and more. The Honest Food Guide is a free, downloadable public health and nutrition chart that dares to tell the truth about what foods we should really be eating. HealingFoodReference.com offers a free online reference database of healing foods, phytonutrients and plant-based medicines that prevent or treat diseases and health conditions. HerbReference.com is a free, online reference library that lists medicinal herbs and their health benefits. NutrientReference.com is a free online reference database of phytonutrients (natural medicines found in foods) and their health benefits. Lists diseases, foods, herbs and more. Read the rest here: Genetic engineering news, articles and information: … Continue reading
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Interactives . DNA . Genetic Engineering
Posted: Published on August 3rd, 2015
Genetic engineering is the process of removing a gene from one organism and putting it into another. Often, the removed genes are put into bacteria or yeast cells so that scientists can study the gene or the protein it produces more easily. Sometimes, genes are put into a plant or an animal. One of the first genetic engineering advances involved the hormone insulin. Diabetes, a medical condition that affects millions of people, prevents the body from producing enough insulin necessary for cells to properly absorb sugar. Diabetics used to be treated with supplementary insulin isolated from pigs or cows. Although this insulin is very similar to human insulin, it is not identical. Bovine insulin is antigenic in humans. Antibodies produced against it would gradually destroy its efficacy. Scientists got around the problem by putting the gene for human insulin into bacteria. The bacteria's cellular machinery, which is identical to the cellular machinery of all living things, "reads" the gene, and turns it into a protein-human insulin-through a process called translation. See original here: Interactives . DNA . Genetic Engineering … Continue reading
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genetic engineering | Britannica.com
Posted: Published on July 19th, 2015
genetic engineering,the artificial manipulation, modification, and recombination of DNA or other nucleic acid molecules in order to modify an organism or population of organisms. The term genetic engineering initially meant any of a wide range of techniques for the modification or manipulation of organisms through the processes of heredity and reproduction. As such, the term embraced both artificial selection and all the interventions of biomedical techniques, among them artificial insemination, in vitro fertilization (e.g., test-tube babies), sperm banks, cloning, and gene manipulation. But the term now denotes the narrower field of recombinant DNA technology, or gene cloning (see Figure), in which DNA molecules from two or more sources are combined either within cells or in vitro and are then inserted into host organisms in which they are able to propagate. Gene cloning is used to produce new genetic combinations that are of value to science, medicine, agriculture, or industry. DNA is the carrier of genetic information; it achieves its effects by directing the synthesis of proteins. Most recombinant DNA technology involves the insertion of foreign genes into the plasmids of common laboratory strains of bacteria. Plasmids are small rings of DNA; they are not part of the bacteriums chromosome (the … Continue reading
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