Gmo Essay Questions

Gmo Essay Questions-31
’s free newsletters."data-newsletterpromo-image="https://static.scientificamerican.com/sciam/cache/file/458BF87F-514B-44EE-B87F5D531772CF83_source.png"data-newsletterpromo-button-text="Sign Up"data-newsletterpromo-button-link="https:// origincode=2018_sciam_Article Promo_Newsletter Sign Up"name="article Body" itemprop="article Body"The recent announcement that a genetically modified (GM) salmon had reached Canadian consumers was a rare leap forwards for GM foods.

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In the laboratory, genome editing has been used to create disease-resistant rice and wheat, and enhance drought tolerance in maize.

The lower cost means projects on smaller-scale crops become viable, and scientists are working to develop disease-resistant citrus trees and wine grapes.

To keep pace, the United Nations say global food production will have to double over the next 35 years. Biotechnology is the only way to feed that growing population, by increasing yields to get more food from less land.

GMOs mean cheaper, more plentiful food to fight hunger in the Third World.

The Bill and Melinda Gates Foundation, for example, is taking a gamble funding projects that aim to create cereal crops that can fix their own nitrogen.

This could be a game changer for poorer farmers who can’t access nitrogen fertilizers, and elsewhere could reduce the huge environmental cost of producing and using fertilizer. Whereas other GM crops might have a single gene inserted, for nitrogen fixation you need entire biological pathways.

Field studies currently underway include early-yielding tomatoes, with the hope this could be used to create crops that are suitable for future climatic conditions.

Genome editing is not only a technological triumph, but an important distinction in the regulatory system.

Almost all of this area, over 99 percent, contained crops resistant to herbicides, insects, or both.

In the last few years we have seen a rapid expansion in crops with “stacked traits” that have genes for resistance to both herbicides and insects, and in the near future this is the direction that GM agriculture will no doubt be heading in.

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