Once an area loses biodiversity there are increased risks of damaging the surrounding environment and of a shortage. Insects that once feasted on different kinds of crops leave the area, the animals that eat those insects leave the area, and pests can move in that have built up a resistance to the genetic toxin. If the genetically engineered crops fall victim to some new disease or pest, then the entire crop may be lost as opposed to only one kind.
Scholars who have done a study on this could explain it better. See below under Related links.
It depends on how they are genetically engineered. The possibilities are almost endless (given time to research the idea) but there are 2 genetic modifications that seem to be most common. Making a crop easier to grow in harsher climates, or causing the crop to grow faster. There are also drawbacks, such as many genetically engineered crops having lower nutritional value, but scientists are constantly working on overcomming these problems, and most of the genetically engineered crops used today are free of these problems.
It depends on how they are genetically engineered. The possibilities are almost endless (given time to research the idea) but there are 2 genetic modifications that seem to be most common. Making a crop easier to grow in harsher climates, or causing the crop to grow faster. There are also drawbacks, such as many genetically engineered crops having lower nutritional value, but scientists are constantly working on overcomming these problems, and most of the genetically engineered crops used today are free of these problems.
Genetically engineered crops, like corn and soybeans, are examples of biotechnology.
Genetically engineered crops, like corn and soybeans, are examples of biotechnology.
The dangers would be that the genetically engineered plants and crops can become harmful to the environment and society.
Some crops are genetically engineered to resist certain herbicides, which means the herbicides they are engineered to be resistant to can withstand having the herbicide sprayed directly on the crop. A known problem with these crops is that after a number of years, more herbicide is needed to control weeds. Because of this, more herbicides are sprayed on the crops and end up in foods. The safe limit for glyphosate (Round-up) in foods has been raised by the EPA in the United States and the use of Glyposate on crops has doubled in the years since Glyphosate resistant crops have been commercially grown. Other crops are genetically engineered to produce an insecticide in the plant itself. Though the insecticide is suppose to target certain insects, two concerns are that non-targeted insects are being killed and people's and animal's health may be affected when those crops are eaten. Generally, some believe horizontal transfer of the engineered genes in the crops may occur. Another problem that has occurred is weeds have developed resistance to the herbicides crops have been engineered to resist. The absence of long-term studies concerns others, making some feel that they are the long-term study.
They will help the environment by allowing farmers to use fewer pesticides.
Some food staples, such as rice, contain more nutrients.
By far the characteristic that is most often genetically engineered into crop plants is resistance to herbicides, with engineering crops to produce a substance that kills insects into the plant itself a close second.
GM crops are produced much like other crops, except that many that are grown have been genetically engineered to be resistant to herbicides or to produce an insecticide in the plant itself.
Some GMO crops are genetically engineered to produce a substance that kills insects when they is eaten by them. It is for that reason that some GMO crops are classified as pesticides by the EPA.
the bacteria do not function properly when they are introduced into the plants.