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Genetics

What does it mean when a food product is genetically modified? Describe 3 characteristics of the food that may be modified (i.e, what do they change about the food?)

When a food product is genetically modified, it means that in a laboratory plants or animals have been modified to enhance the most desired traits. These kinds of plants are called GM crops or genetically modified crops. These traits include such things as increased resistance to herbicides, or improved nutritional content. When doing this scientist use direct modification to DNA. In other words, Genetic engineering creates plants with the exact desired trait, with good accuracy. Like seedless watermelons or seedless grapes.

Some characteristics of the food that may be modified include size, solids content, or resistance to certain viruses or fungi.

List and explain 4 advantages of genetically modified food products.

There are many advantages to genetically modified foods. Whitman writes one advantage would be Herbicide tolerance. For some crops, it is not cost effective to remove weeds by physical means such as tilling, so farmers will often spray large quantities of different herbicides (weed killer) to destroy weeds, a time-consuming and expensive


herbicides will be used than before as they replace other herbicides. Some argue that these are highly toxic and will actually kill far more plants, insects and birds than the other herbicides would.

process, that requires care so that the herbicide doesn't harm the crop plant or the environment. Crop plants genetically engineered to be resistant to one very powerful

One of the most important advantages I think would be for Nutrition. Whitman states that malnutrition is common in third world countries where impoverished peoples rely on a single crop such as rice for the main staple of their diet. However, rice does not contain adequate amounts of all necessary nutrients to prevent malnutrition. If rice could be genetically engineered to contain additional vitamins and minerals, nutrient deficiencies could be alleviated.



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Approximate Word count = 1030
Approximate Pages = 4 (250 words per page double spaced)


  

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