Description And Examples Of Genetically Modified Organisms

Description And Examples Of Genetically Modified Organisms Genetically modified organism (GMO), organism whose genome has been engineered in the laboratory in order to favour the expression of desired physiological traits or the production of desired biological products. GMO has long been the practice to breed select individuals of a species to produce offspring of the desirable traits. It is used in conventional livestock production, crop farming and even pet breeding. In genetic modification, the mechanism used for creating a genetically modified organism is called the recombinant DNA technique. It involves combining strands of DNA from different sources to create a new DNA molecule that has a different combination of genes than that, which occurs naturally. There are some scientific methods included in producing GMOs, such as recombinant DNA technology and reproductive cloning. Recombinant DNA technology involves the insertion of one or more individual genes from an organism of one species into the DNA (deoxyribonucleic acid) of another. On the other hand, reproductive cloning technology generates offspring that are genetically identical to the parent by the transfer of an entire donor nucleus into the enucleated cytoplasm of a host egg. The first animal produced using this cloning technique was a sheep named Dolly, born in 1996. Since then a number of other animals, including pigs, horses, and dogs, have been generated using reproductive cloning technology. Cisgenic organisms and transgenic organisms are the two classes of genetically modified organisms. Cisgenic organisms are genetically modified organisms that result from the combination of different strands of DNA, which all originates from the same, or very similar, species. The entire DNA used in the process comes from organisms that are very closely related, usually defined as organisms that are able to breed together. Transgenic organisms are genetically modified organisms that include DNA from two different species. Transgenic microorganisms are the most commonly created transgenic organisms. The simple DNA of bacteria lends itself to relatively straightforward recombinant DNA methods. GMOs produced through genetic technologies are playing a very important role in agriculture, medicine, research, and environmental management. Although GMOs have benefited human society, some disadvantages exist. Therefore, the production of GMOs remains a highly controversial topic in some countries. 2. Examples of Genetically Modified Organisms (GMOs) Many of our common crops, such as corn, potatoes, tomatoes, squash, and soybeans, are genetically modified. The majority of these crops were herbicide-resistant as well as insect-resistant, while the others may contain increased nutrients such as vitamins, produce yield earlier, or are able to survive weather extremes. Genetically modified tomatoes were introduced to the market in 1994, becoming the first commercially grown transgenic crop. They have longer shelf-life than the average tomatoes as they produces less of the substance that causes tomatoes to rot, so remains firm and fresh for a long time. In addition, transgenic corn is resistant to commercial herbicides such as glyphosate or glufosinate. It is also insect resistance by producing a poison, which kills harmful insects. Vitamin-enriched corn contains increased amount of vitamin A, vitamin C and folate compared to the normal corn. Another example of GMO is squash. Squash belongs to the Cucurbitaceae family, which includes pumpkins, gourds, zucchini, cucumbers and melons. Genetically modified squash have resistance to the common squash viruses, namely watermelon mosaic virus, zucchini yellow mosaic virus and cucumber mosaic virus. Other than crops, farm animals are also genetically modified to mature in a shorter time period to minimize expenses and increase profits for farmers, as well as to be resistant to certain diseases. For example, genetically modified cow is resistant to bovine spongiform encephalopathy (mad cow disease). One of the examples of increased growth rate in genetically modified animals is fish including salmon and carp. One-year-old salmon fish with growth hormone chimeric gene are able to grow as large as 13 times that of the non-transgenic salmons. Other than that, chicken that can produce eggs containing human proteins has been created by British by transferring DNA into the yolk of a fertilized chicken embryo. The proteins can be harvested and purified for treatment of diseases such as multiple sclerosis or cancer. 3. Advantages of Genetically Modified Organisms (GMOs) In order to ensure an adequate food supply for this booming population is going to be a major challenge in the years to come. GMO can meet this demand due to its special characteristics. Firstly, GMOs are pest resistance. Pests can cause large financial loss to the farmer. Pesticides that generally used by farmers are health hazarding and causes pollution. Pest resistance can reduce the use of pesticides. Thus, GMOs is healthier to eat and bring less pollution to the environment. Second, GMOs are herbicide and disease resistance. The control of weeds actually is not cost-effective because farmers have to spray large amount of herbicides on the weeds and care has to be taken to avoid the herbicides from harming the crops. Hence, GMOs are more cost-effective and easier to control the weeds and less concern is needed to cope with the diseases caused by viruses, fungi and bacteria. Thirdly, GMOs are drought tolerance/salinity tolerance. As the world population grows and more land is utilized for housing instead of food production, farmers will need to grow crops in locations previously unsuited for plant cultivation. Creating plants that can withstand long periods of drought or high salt content in soil and groundwater will help people to grow crops in formerly less arable places. Next, GMOs have better nutritional value. GMOs are incorporated with other additional vitamins and minerals. For example, blindness due to vitamin A deficiency is a common problem in third world countries. Researchers at the Swiss Federal Institute of Technology Institute for Plant Sciences have created a strain of golden rice containing an unusually high content of beta-carotene (vitamin A). Lastly, GMOs are also useful in pharmaceutical field. Medicines and vaccines often are costly to produce and sometimes require special storage conditions not readily available in third world countries. Researchers are working to develop edible vaccines in tomatoes and potatoes. These vaccines will be much easier to ship, store and administer than traditional injectable vaccines. 4. Criticism Against Genetically Modified Organisms (GMOs) There are several concerns that arise despite the advantages of GMO. The three fields of concern include environmental hazards, human health risks, and economic concerns. One of the environmental hazards consists of gene transfer to non-targeted species. There is a possibility of genetically modified plants cross breeding with weeds to produce weeds to produce a new genetic strain of weeds known as Superweeds. Next concern is the reduced effectiveness of pesticides. The pesticides strains from GMO might be able to pass on to pest after consuming GMO; thus, causing pest to have the same resistant genes to pesticides. These pests are then termed Superpest. The human health risks also posed a major concern among people. The long-term side effects after consuming GMO are still unknown. There is still the question of whether the genetically modified strains are able to pass on to humans after consuming GMO. People are getting worried that the anti-bacterial strain in the GMO might be passed on to humans and cause a disruption in our immunity against certain types of bacteria. There is a possibility that introducing a new gene may create a new allergen or cause an allergic reaction in prone individuals. In addition, there are also economic concerns involved. The cost involved in research and developing of GMOs are high. Many of these GMOs have been patented. Farmers from the third world countries are worried that the price of the patented GMOs would be raised so high that they would not be able to afford it. Furthermore, patent violation has been a growing concern to agribusinesses. Some companies have introduced suicide gene into plants. Suicide gene only allows plants to be viable for one season and the seeds produced after are sterile. Therefore, farmers have to buy fresh seeds every season and this causes an issue to the farmers from the third world countries. 5. Genetically Modified Organisms (GMOs) in Malaysia Malaysia is among the 55 nations in favour of adopting international guidelines on labeling of all genetically modified food. Several genetically modified crops containing traits of value have been produced at the experimental stage. At the Malaysia Agricultural Research and Development institute, rice has been successfully modified to resist the Tungro virus and papayas manipulated to resist ring-spot virus infection and to have a prolonged shelf life. Other crop such as pineapples is manipulated to resist black heart, bananas and papayas for delayed ripening and chili for virus resistance. Malaysia is also developing genetically engineered oil palm with a focus on increasing value-added products from the palms such as high oleate and high stearate oil, nutraceuticals (vitamin A and vitamin E) biodiesel and bioplastics. Genetically modifying technology has been in introduced to assist the development of animal husbandry. Besides that, Malaysia has released 6,000 genetically modified mosquitoes designed to combat dengue fever at an uninhabited site in the central state of Pahang. The biotechnology sector faces a challenging future with increasing global competition. Malaysian government will, under the ninth Malaysia plan, implemented the strategic thrust of the national biotechnology policy, with the active participation of private sector. With the recognition as the worlds halal hub, and given importance attached to the biotechnology industry, Malaysia is poised to introduced biotechnology products with GM label and halal certification. 6. Conclusion In the future, there would be a wide range of crops that are resistant to pest, diseases, and herbicides. The crops would also be high in nutrition value to suit our body system and could be designed to accommodate whatever type of climate changes. The future of GMO is still yet far to go. GMO is a giant leap in the agricultural sector. It is now up to us to decide on how GMO should be used, whether for the good of mankind or the destruction of us all.

British Entrepreneurs and the decline of the British economy :: European Europe History

British Entrepreneurs and the decline of the British economy Was the British entrepreneur the most important single reason for the relative decline of the British economy in the late nineteenth century? Despite a continued growth of production and wealth in absolute terms, the economy of "the first industrial nation" began to decelerate after 1870, in comparison with that of her closest competitors. This so called "decline" was caused by a number of factors not merely one as the question suggests, indeed Supple` s foreword (1) asks, "Are we to be concerned with the rate of growth of total income or of manufacturing output? Above all, by what standards do we assess `failure` or `success`?" Derek Aldcroft` s article, `The Entrepreneur and the British economy, 1870-1914 published in 1964 spearheaded the broad indictment of the British entrepreneur...(2)....... A/ They failed to adopt the best available techniques of production in many industries, ranging from ring-spinning and automatic weaving in cotton to the mechanical cutter and electrification of mines in coal. B/ They underestimated the growing importance of science, investing little in laboratories and technical personnel for research or for the effective exploitation of foreign research. C/ They over-invested in the old staple export industries such as cotton and iron, and were slow to move to the industries of the future such as chemicals, automobiles, and electrical engineering. D/ They were bad salesmen, especially abroad. E/ They were insufficiently aggressive in organising cartels to extract monopoly profits from the world a t large. I intend to investigate these areas, in addition to labour relations, education and the class system, as I feel that they have a distinct bearing on the late Victorian economic climate. The "technological retardist" theories are strongest in considering the erosion of "King Cotton` s" pre eminence, due in part to America` s competition and, the critics suggest, the British cotton manager` s lack of judgement. It is said that the slow adoption of the ring spindle in spinning, and the low uptake of the automatic loom in weaving seriously hampered those industries` competitive edge. The principle advantage of the ring spindle was it` s operation by unskilled female staff, whereas the traditional mule required skilled (mostly male) operatives, thus saving on labour costs. The disadvantage was that the ring needed more expensive cotton to make a given `fineness` or `count`. Given this information, replacement of old existing technology should only be undertaken if the total cost of the new technology is less than the variable cost of the old technique.

How policies/laws may affect family life Essay

In this essay I will be writing about what changes state policies and laws have made to the society and how they may affect family life by doing so. There are many policies/laws out there that have had an effect on family life and one of these was the ‘Child Support Act’ which led to the formation of the ‘Child Support Agency’. Other policies/laws include the Family Law Act of 1996, Rewarding marriages with tax breaks, Working Families Tax Credit, and the attempt of the removal of child poverty. Among this I will be talking about the new right theory and their points and views on the family and what laws should be put in place. One of the Conservatives policies that were passed in 1991 was the Child Support Act which then led to the formation of the Child Support Agency. What this policy aimed to do was reduce the amount of fatherless families by forcing absent fathers to pay a certain amount of money for their children that they’ve left behind. The government thought of this as a good idea as it would reduce the amount of welfare payments being giving to lone mothers therefore helping the economy. However this didn’t really benefit love mothers as the money paid in from the father would be deducted from the mother’s benefits so she would be receiving exactly the same amount. As a result, this policy didn’t have a major effect on family life although it may reduce the amount of fathers that walk out on their families. Another one of the Conservatives policies this time introduced in 1996 brought about a period of wait that a couple had to undergo before they could officially get divorced. The main purpose of this proposal was to try and reduce the amount of divorces by encouraging the couple with as much time as possible to save their marriage. This policy would affect the family life by keeping more families together and happy however the act was never finalised as judges deemed it as unworkable. Labour introduced one of their policies to do with the Working Families Tax Credit that was designed to help people find paid employment. This one was specifically aimed mostly at lone parents as since April 2001, they were required to attend an annual interview about  job opportunities. The Working Families Tax Credit would help lone parents move benefits to low paid jobs by topping up their wages. This policy may affect family life as it pushes lone parents into work and although they may be earning similar money as they would’ve if they were on benefits, it provides them with a starting point to hopefully earn more money as they climb up the ranks. One of Labours aims was to remove children out of poverty and one of the ways that they’ve attempted to do so is by increasing the amount of Child Benefits being provided. From 1997 to 2001, Child benefits have increased by 26 per cent and by doing so it has lifted 600,000 children out of poverty as stated by the children’s secretary Ed Balls. This may have a positive effect on family life as it provides the children with a positive childhood and helps the family to be financially stable. However, according to the Guardian in 2007 the number of children that are living in poverty rose for the first time in six years by 200,000 to 3.8 million in 2005 to 2006. More recently, the conservatives proposed a policy that provides married couples with a tax break. This clearly shows that David Cameron clearly favours the ‘married family’ as his policy does not apply to cohabiting couples with children. This tax break is worth around one thousand pounds and it may affect family life as it would encourage people to not only get married but stay married which would create or maintain stability in the family. The New Right leans towards the same views of the Conservatives as they clearly support the idea of the Nuclear Family as they think that Nuclear Families should be encouraged and family diversity should be discouraged. In 1999 and 2000, Morgan and Saunders wrote that The New Right believe the government should favour married parenthood by rewarding them and providing them with special legal rights and safeguards. They also believe that the increase in Lone-parent families is due to over generous welfare benefits and that they should be reduced to tempt people out of this decision. Another way in which they want to discourage family diversity is by denying unmarried couples the rights and privileges given to married couples and by making divorce much more difficult. There has recently been a cap on benefits introduced. This means that the  amount of money claimed by a family cannot exceed the average wage for a working family. It was introduced to keep things ‘fair’ although some people saw it as unlawful. This new policy could encourage more parents to get into work in the attempt to earn more money. All of this is the government’s way of saving money and therefore keeping the economy running. In conclusion most of these state policies/laws introduced have a positive effect on family life, others could be deemed as unfair however all in all they try to create a stable society as the family is a key factor in the make-up of a good society.

A Good Leader Lao Tzu - 919 Words

A good modern day leader should be able to be honest, well-rounded, confident in his work, well committed, and be able to protect his country and responsibilities throughout any trials thrown his way. In modern day society a good leader would be Lao-Tzu. He uses beliefs and tactics that are civil for today’s society. As for comparing two great leaders from a time so far back, I would have to pick Machiavelli as a great leader. The way the writers present them in the book is almost opposite in every aspect. Lao-Tzu has a laissez-faire approach on things, while Machiavelli is the opposite and is ready for war. First of all, when Lao-Tzu says, â€Å"If you want to govern the people, you must place yourself below them† (213). That whole statement would throw society off now. It would make society decide that overall Machiavelli was the better leader, because of how weak that statement makes Lao-Tzu as a leader. If you’re a leader and you put yourself below the people that you lead, you will get second guessed. I don’t think a leader should place himself below anyone. In my eyes they will see this and run over you the first chance they get. Machiavelli is all about war and being fit with the mind and with the body. Besides keeping his soldiers well trained and disciplined. Machiavelli goes on and says, â€Å"He must also learn the nature of the terrain, and know how mountains slope, how valleys open, how plains lie, and understand the nature of rivers and swamps; and he should devote muchShow MoreRelatedA Good Leader : Lao Tzu1731 Words   |  7 PagesA good modern day leader should be able to be honest, well-rounded, confident in his work, well committed, and be able to protect his country and responsibilities throughout any trials thrown his way. In modern day society a good leader would be Lao-Tzu. He uses beliefs and tactics that are civil for today’s society. 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Lao-tzu informs his readers that one can only help people by allowing them to help themselves. One powerful statement from the Tao-te-Ching is, When they think that they know the answers, / people are difficult toRead MoreLife Is No Easy Task1091 Words   |  5 Pagesagainst the grain of modern civilization,† (Huzzey). This is more of a Northern point of view. This also coincides with Lao-Tzu’s views as well; the people are supposed to be watched, not owned. Lao-Tzu also believes that the people will be able to take care of themselves if they are let alone. While reading from Douglass’ â€Å"The Narrative†, it was simple to connect the writing to Lao-Tzu’s political standpoints; there are points for both the sides of the slaves and the slaveholders, for example: how