⌚ Negatives Of Genetic Engineering
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Genetic Engineering : Dangers of Genetic Engineering
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Cross-Pollination Cross-pollination can cover quite large distances, where new genes can be included in the offspring of organic, traditional plants or crops that are miles away. This can result in difficulty in distinguishing which crop fields are organic and which are not, posing a problem to the task of properly labeling non-GMO food products. Gene Spilling It is unclear what effects, if there are any, the genetic pollution resulting from inadequate sequestering of genetically modified crop populations would have on the wild varieties surrounding them.
However, it is stressed that releasing pollen from genetically altered plants into the wild through the insects and the wind could have dramatic effects on the ecosystem, though there is yet long-term research to be done to gauge such impact. Experts warn that genes from commercial crops that are resistant to herbicides may cross into the wild weed population, thus creating super-weeds that have become impossible to kill. For genetically enhanced vegetation and animals, they may become super-organisms that can out-compete natural plants and animals, driving them into extinction.
These products might encourage authorities to implement higher tariffs to merchants, who would be selling them. Exploitations Some countries may use genetic engineering of foods as a very powerful weapon against their enemies. It is important to note that some scientists have discovered that these products can kill a lot of individuals in the world by using harmful diseases. Widening Gap of Corporate Sizes This disadvantage can possibly happen between food-producing giants and their smaller counterparts, causing a consolidation in the market.
There would be fewer competitors, which could increase the risk of oligopolies and food price increases. Moreover, larger companies might have more political power and might be able to influence safety and health standards. New Diseases As previously mentioned, genetically modified foods can create new diseases. Considering that they are modified using viruses and bacteria, there is a fear that this will certainly happen. This threat to human health is a worrisome aspect that has received a great deal of debate. Food Supply at Risk GMO seeds are patented products and, in order to purchase them, customers have to sign certain agreements for use with the supplier or creator.
As the reliance on these seeds expands around the world, concerns about food supply and safety also continue to arise. Furthermore, these seeds structurally identical, and if a problem affects one of them, a major crop failure can occur. Economic Concerns Bringing a genetically modified food to market can be a costly and lengthy process, and of course, agricultural bio-technology companies want to ensure a profitable ROI.
So, many new plant genetic engineering technologies and products have been patented, and patent infringement is a big concern within the agribusiness. Also, consumer advocates are worried that this will raise seed prices to very high levels that third-world countries and small farmers cannot afford them, thus widening the gap between the rich and the poor. However, this would be financially disastrous for them, especially those in developing countries, who cannot afford to do this and traditionally set aside a portion of their harvest to plant in the next growing season.
Genetically modified foods can potentially solve many hunger and malnutrition problems in the world, as well as help protect and preserve the environment by increasing yields and reducing reliance upon chemical pesticides and herbicides. However, it is important to proceed with caution to avoid unfavorable consequences for the surroundings and our health, considering that genetic engineering technology is very powerful. Remember that there are really potential benefits and risks to these products, which you will learn further as you dig deeper into this subject.
Lying is tied to empathy, which is the ability to "walk in another person's shoes," the ability to see things from another person's perspective. People with certain brain-development problems, such as autism spectrum disorders, have great difficulty lying, and some people with autism never lie. Some neuroscientists scientists who study the nervous system believe that a problem with special brain nerve cells, called mirror neurons may be partly at fault. Mirror neurons are active whenever a person observes or tries to imitate another person's actions. Imitation is an important step toward empathy and viewing the world from another person's perspective. People with autism have difficulty with this skill. Neuroscientists are also involved in helping the military, law enforcement, and security personnel detect lying in people suspected of having committed a crime.
Standard lie-detection techniques include the use of a polygraph, a machine that measures the body's response to the stress caused by telling a lie. The polygraph continuously monitors heart rate, blood pressure, and sweating and watches for any increases in these that could signal that the person has just lied. There can also be false negatives, where the person being investigated is telling a lie, but he or she either does not feel guilt about it, or has learned how to stop the body's responses to lies. This has led to an interest in developing alternative methods of detecting lies.
The most promising machine is currently the functional magnetic resonance imaging, or fMRI scanner. The fMRI differs from a standard MRI in that the standard MRI shows the brain's anatomy at high resolution in great detail , whereas the fMRI shows how the brain is functioning and interacting, in lesser resolution, as the brain performs a specific task. So, for example, if you were shown a photograph of a family member, the fMRI would tell the neuroscientists which parts of your brain were active when you looked at the image of your family member, such as the vision center, the emotional center, and the facial recognition center. With a standard MRI, your brain will look the same anatomically, regardless of what task you are doing—listening to music, looking a photograph, or telling a lie.
With fMRI, neuroscientists have discovered that your brain works harder when it is telling a lie, than when it is telling a truth! More and different parts of the brain are active during lying, as compared to truth-telling. While just four parts are active during truth-telling, seven parts are active during lying. In this science fair project, you'll take advantage of this difference in brain states to form a simple lie detector test. You'll give a person a physical task to do and have him or her tell a truth, and then tell a lie. You'll see if the person is better able to do the task when his or her brain is less active telling a truth , or more active telling a lie.
So go call all your friends and family, and see if you can detect a harder-working brain! Figure 1. This photograph shows how to conduct a simple lie-detector test. Science Buddies materials are free for everyone to use, thanks to the support of our sponsors. What would you tell our sponsors about how Science Buddies helped you with your project? Compared to a typical science class, please tell us how much you learned doing this project. SnowQueen said: Science Buddies gave me ideas for science fair projects. I would like to thank Science Buddies. Much more. Try one of our science activities for quick, anytime science explorations. The perfect thing to liven up a rainy day, school vacation, or moment of boredom.
Menu Science Projects. Project Guides. View Site Map. Science Projects. Grade Levels.Radzisheuskaya, Negatives Of Genetic Engineering. July Any argument to delay mitigation Negatives Of Genetic Engineering because NETs will Negatives Of Genetic Engineering a backstop drastically misrepresents their current capacities and the likely pace Negatives Of Genetic Engineering research progress.