GENETIC MODIFICATION OF FOOD Isaac Wecht & TJ Martinez Period 6
BASIC PRINCIPLES OF GENETICS <ul><li>Dominant and recessive alleles control your traits because if a dominant trait is present then the recessive will be covered and the dominant will show on the person. If the dominant is not present then the recessive will show. </li></ul><ul><li>If there is a co-dominance in an offspring then neither of the alleles will be masked. For example, a chicken with co-dominant alleles might have both black and white feathers. </li></ul><ul><li>If an allele of a parent with black hair and an allele of a parent with blonde hair mix, then the offspring of those two parents will have black hair because black is dominant to blonde. An example is shown on the chart below. </li></ul>
THE HUMAN GENOME PROJECT <ul><li>The Human Genome project started in 1990 with the goal to identify the DNA sequence of every gene in the human genome. </li></ul><ul><li>Information we learned from this project helps us understand more about how humans develop from eggs. It can also help us learn more about what causes the body to create certain diseases and how we can treat them. </li></ul><ul><li>The GINA law passed on May 21 2008 by President Bush protects people from genetic discrimination. It says that health care and businesses can not discriminate based on a person’s genetic information. </li></ul>
GENETIC DISORDER Genetic counseling can help couples learn about their chance of having a diseased child. They use punnet squares, karyotypes, and pedigee charts to help them to find this information. Karyotypes can be used to see the chromosomes inside a developing baby’s cell. The doctor can use this information to see if the baby is developing the right number of chromosomes. Chromosomes abnormalities- When an offspring has too many or too little chromosomes in their DNA. This is a result of an error in meiosis. One example of this disease is Down Syndrome. Multifactorial Disorder- A disorder where more then on e gene is defected. An example of this disorder is heart disease and diabetes. Single gene disorder- A disease caused by only one gene being defected. Usually, these diseases are minor like red-green colorblindness.
Modification of foods <ul><li>If farmers were to modify the animals on their farms so that they were bigger and could hold more meat then humans would have a larger supply of food. However, the farmers couldn’t be sure that these modifications wouldn’t be harmful to the human digestion. For instance, if a human ate a modified cow that the farmers had injected with chemicals that the person is allergic to, there could be severe consequences. </li></ul><ul><li>One protester against modifying foods is University of Texas law professor, Thomas McGarity. He is outraged that foods such as corn and soybeans have been modified but the information is not passed on to consumers. Why the heck are we making these “foods”? Thomas asks. </li></ul>
ARGUMENT 2 There are definitely many reason for modern farmers to modify their foods. <ul><li>One reason may be that the farmers are having their crops destroyed by a pest problem on their farm. If the farmer sprays chemicals along all the plants, those pest will go away. </li></ul><ul><li>Another reason for farmers to modify their crops could be that they need to enhance their plants and animals so that they can then, sell them for more. In order to do this they have modify the animals so that they can grow bigger and will be worth more money. </li></ul><ul><li>Whether the modification of foods is good or bad it’s, growing rapidly on United States farms. As shown in the chart above. </li></ul>
CONCLUSION In conclusion, the modification of foods is definitely, a helpful tool for farmers. For intense, they can use it to make their corps larger or protect them from bugs and other pests. The only questions those farmers need to ask is, is this ethical? Will these modifications be harmful to the humans that consume the crops that have been modified? I believe that these modifications are coming and are going to change the foods we eat greatly. But the question still remands, is it for the better? I believe that the modification of foods is a waste of government money and time. Why do we need to enhance our animals and crops if we are doing fine with food already? Our government is already in a recession, so why would we waste our money on something we don’t need? It is also a big risk because we can never be sure that these modifications will be harmful to humans. I think that until we actually have the money to fund this, we should just stay with what we have and what we do works.
WORKS CITED <ul><li>"Health Care Reform Bill Gives Power to FDA Shut Down Organic Food Industry." Politicol News . Web. 23 Mar. 2011. <http://www.politicolnews.com/health-reform-fda-p>. </li></ul><ul><li>"The CQ Researcher Online." CQ Press Electronic Library . Web. 23 Mar. 2011. <http://library.cqpress.com/cqresearcher/document.php?id=cqresrre1992061200&type=hitlist&num=1>. </li></ul><ul><li>"Google Images." Google . Web. 23 Mar. 2011. <http://www.google.com/imgres?imgurl=http://3.b>. </li></ul><ul><li>"Google Images." Google . Web. 23 Mar. 2011. <http://www.google.com/imgres?imgurl=http://www.medicalsymptomsguide.com/wp-content/uploads/2009/08/Symptoms-Of-Down-Syndrome>. </li></ul>