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benefits of genetically modified crops
What are the pros and cons of GMOs
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Should Monsanto continue to work with and produce GMO’s?
As GMOs continue to take the world by storm, up to 80% of America’s processed foods contain GMOs (The Non-GMO Project, 2015), it has become a popular debate as to whether or not they are beneficial. Monsanto is a large company that works on improving agriculture through the use of GMOs (Monsanto, 2015). The main sources of doubt around Monsanto’s use of GMOs are centered around the ethical processes and the effects on the ecosystem and evolution. There are also those who agree with Monsanto and speak of the benefits of GMOs such as better crop production, vitamin rich foods and the reduction of pollution, which creates the controversy surrounding this issue.
Figure 1: (Nwcreation, 2015)
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Genes can be transferred to an organism through a few different methods. This can be done through a gene gun, plasmids or viruses. Before implementing one of these processes, the DNA must be extracted by denaturing the cell’s structure to release its contents so that the desired gene can then be selected and removed using probes and restriction enzymes. Gene probes are made in the laboratory and consist of a segment of a single strand of DNA or mRNA that has specific radioactive or fluorescent markers.They work by attaching to the complementary gene that is desired where it can then be identified by the markers. To remove that identified gene, restriction enzymes such as
Figure 2 shows the results of the electrophoresis. Lanes 5 and 7 indicate the fragments obtained when the plasmids are digested with both restriction enzymes, indicating the approximate fragment size for the hlyA gene, the pK184 plasmid and the pBluescript plasmid. This is useful for identifying the recombinant DNA needed for this experiment
Recombinant DNA technology: Sub cloning of cDNA molecule CIH-1 into plasmid vector pUC19, transformation of XLI-Blue Ecoli & restriction mapping.
"The Good, Bad and Ugly about GMOs." Natural Revolution. Natural Revolution , n.d. Web. 16 May 2014. .
Genetically modified? That alone should be a cause for alarm, and have you wondering, what exactly is in this that I am eating? Yet every day millions of American’s choose to load up on food filled with GMO’s, and not even know it. First we must understand what GMO’s are. GMO’s are any organism whose genetics has been altered using genetic engineering. We should not be tampering with nature, and should try to grow organically as much as possible. There has not been enough research on GMO’s to know the potential long term effects it can have on us, so this is why GMO’s should be banned.
The two modes of analysis that will be used to identify an unknown insert piece of DNA would be plating the transformation cells onto LA plates that have either ampicillin or chloramphenicol and PCR. We will use the PCR thermocycler to denature the restriction enzymes that were specifically used to assimilate the vector DNA. It is important to use the PCR thermocycler because denaturation of the restriction enzyme will prevent the restriction enzyme from cutting the vector DNA, after the insert DNA has assimilated to the vector DNA. After the addition of specific primers that complement the base pair to its corresponding target strand, PCR will be used. Subsequently, Taq polymerase will be used to determine whether the insert DNA has been properly assimilated to the vector DNA. Within this specific situation, the target strand will be the insert DNA. After we let the PCR thermocycler run for approximately 2 ½ hours, we will then put our PCR products in the gel and run the gel to completion. After the gel has run to completion, we will then take a photograph of the gel using the UV transilluminator with the assistance of our TA. If the insert DNA was properly assimilated to the vector DNA, then our corresponding gel photo would have one band. After the cells have been transformed, we would g...
Gene therapy is an experimental technique that allows doctors to insert a gene into a patient’s cell rather than using drugs or surgery. Gene therapy is a process of which defective or undesired genes in the body with “normal” genes. A vector is re-engineered to deliver the gene to a target cell. Then the gene is transferred to the cell’s nucleus and must be activated in order to function. The main focus of gene therapy is to replace a lost or improper gene with a new functional copy into a vector that is inserted into the subject’s genome by way of penetrating its DNA. Gene therapy can be done outside of the body known as ex vivo by way of taking cells form patients bone marrow or blood and then growing them in a laboratory. Thus the corrected copy of the gene is inserted into the cells before being put back into the body. Gene therapy can also be done in vivo which can be done directly to the patient’s body. The word gene therapy really defines the management of genetic information that is encased in the cells, however, in most recent procedures the available technology is closely related in adding new genetic information, and many researchers favor the term gene transfer rather than gene therapy to mirror the reason that the purpose of gene work cannot always be therapeutic.
GM food has generated polemic debate amongst: governmental regulators, biotechnology companies, scientists, economic activists, environmentalists and consumers. The main areas of controversy correlated to GM food are the neutrality of scientific examination and publication, the results of GM crops on the environment and health and the role of the crops in feeding the world population.
In a feeble attempt to cure world hunger scientists developed GMOs, or 'genetically-modified organisms', which are genetically enhanced crop plants created for human consumption, and although GMOs were initially designed to benefit the world, it appears as though they are doing as much harm as they are good. Originally, GMOs were designed to c...
GMOs can also bear consequences in terms of genetic pollution and alteration, from contamination and mutation to adaptation to evolution to species extinction. Indeed, some claims are not well supported and may require testing, like genetic alteration through consumption or the validity of correlating animal health deficits with GM feeds. However, overall, GM foods clearly affect the world negatively in terms of biodiversity and ecosystem impacts. With all of the controversy surrounding GMO foods: health versus biodiversity; benefits versus dangers; pros versus cons, a topic that always arises is the subject of labeling. Labeling has been a matter of discussion for years and surprisingly, it is a hot debate that is still full of life.
In this day and age, Genetically Modified Organisms (GMOs) have become a topic of large interest in the media. GMOs are defined as an organism whose genetic structure has been altered by incorporating a gene that will express a desirable trait (Dresbach et al. al. 2013). Often times, these traits that are selected are either beneficial to the consumer or producer. Currently, GMOs are being created at a higher rate than ever before and are being used in the foods that we eat.
How many of you hear the words “genetically modified food” and immediately think “BAD”? How many of you scorn the idea that genetically modified foods are useful? How many of you have been manipulated by the media to think that all biotechnology is evil? Genetically modified organisms (GMOs) are organisms that have been genetically spliced to achieve a certain trait. As the demand for a larger food supply is increasing due to population growth, the benefits that GMO foods provide are being hailed as the only solution to the food crisis. However, many people are making inadequately informed decisions, and are pushing them to the back shelf. I will inform you on why genetically modified organisms may be the only way to a stable, safe future for the less fortunate.
Genetically modified food’s, or GMOs, goal is to feed the world's malnourished and undernourished population. Exploring the positive side to GMOs paints a wondrous picture for our planet’s future, although careful steps must be taken to ensure that destruction of our ecosystems do not occur. When GMOs were first introduced into the consumer market they claimed that they would help eliminate the world’s food crisis by providing plants that produced more and were resistant to elemental impacts like droughts and bacterial contaminants, however, production isn’t the only cause for the world’s food crisis. Which is a cause for concern because the population on the earth is growing and our land and ways of agriculture will not be enough to feed everyone sufficiently. No simple solutions can be found or applied when there are so many lives involved. Those who are hungry and those who are over fed, alike, have to consider the consequences of Genetically Modified Organisms. Food should not be treated like a commodity it is a human necessity on the most basic of levels. When egos, hidden agendas, and personal gains are folded into people's food sources no one wins. As in many things of life, there is no true right way or wrong way to handle either of the arguments and so many factors are involved that a ‘simple’ solution is simply not an option.
GM crops also benefit the economy and assist in feeding more people. While we struggle with feeding our population, “The population will continue to grow” (Calandrelli 1) For instance, genetic engineering in agriculture can minimize the cost of producing food. Thus, GMO’s in crops can result ...
Genetically modified (GM) foods have become omnipresent over the past decade. They are a technological breakthrough that allows humans to manipulate and add foreign genes to crops to enhance desired traits, but they have also evolved into a controversial issue, especially for Third World countries. Some people believe that GM foods not only provide larger yields to feed hungry citizens in Third World countries, but they can also be a source of great nutritional value. For example, researchers have developed a strain of golden rice containing high amounts of vitamin A and numerous other vitamins and minerals. Additionally, GM crops are laced with herbicides and pesticides, and therefore reduce the need for chemical consumption. Opponents of GM foods claim that they pose a threat to the health of consumers and that these crops could eventually cross-pollinate in an unregulated fashion or lead to the growth of superweeds and superbugs resistant to the herbicides and pesticides woven into the genetic fiber of the crops. Developed nations should promote research and monitoring from an ethical point of view and financial assistance through philanthropic ventures in order to limit environmental and health risks. They should also make sure that limited cultural displacement will result from the introduction of GM crops and that instead, a better livelihood and well-being through collaboration will emerge. Hence, GM crops should be introduced only provided that the developed nations assume the ethical and financial responsibilities for the environmental, health, and social consequences that attend this new innovation.
The restriction enzymes SmaI cuts DNA vertically. This results in two DNA fragments with blunt ends. Next, the gene is spliced into a vect... ... middle of paper ... ... le by stopping illness but this process has also been vandalised for many uses which are not necessary.