EEB202H1 Lecture Notes - Lecture 5: Genetic Pollution, Selective Breeding, Pharmacology

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maroonleopard579

3 Oct 2016

School

UTSG

Department

Ecology & Evolutionary Biology

Course

EEB202H1

Professor

Barrett& Eckenwalder

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Document Summary

Public fear based on no understanding of the issue. Field trials to assess environmental risks of gm crops. Biotechnology vs evolutionary: transfer genes by crossing things use of recombinant dna techniques for the transfer of genes among unrelated organisms provides a rationale of why we should preserve the natural ecosystem that could be important in the future. Gmo organism genetically engineered using recombinant dna techniques aka transgenic organisms in the history of life, there are examples of genes crossing unrelated organisms horizontal gene transfer accidental nothing unnatural about it. Major gm crops most of gmo -> processed food e. g. soybeans. The gmo debate political scientific vs ethical fear for the unknown is a natural human instinct most people are ignorant about science, esp. Gmo per se is not the issue, it"s if you use gmo, are you more likely to get sick? human health no evidence file:///users/user/desktop/eeb202/lec5. html.

Related Questions

Please use science in your answers to these questions, with the understanding that science can inform matters of social justice. (Short answers only! No long answers)

1. Of all of the potential pit-falls and criticisms of transgenic crops, what do you find most troubling (that is, what is the best argument against pursuing this method of crop development)? Explain your reasoning and use an example from other sources.

2. Of all of the potential pit-falls and criticisms of transgenic crops, what do you find the least compelling? Explain your reasoning and use an example from other sources.

3. CRISPR/Cas9 is a new gene editing technology that can be used to modify an organism's DNA. This allows genetic technologists to modify traits without introducing DNA from other organims. A recent paper on the use of CRISPR in crops says "US regulators have already suggested that organisms modiÂ¬fied with the newer techniques such that they contain no DNA from other species will be treated differently from conventional GM organisms. That might also alleviate public concerns." and "We can overcome hopefully at least some of the opposition to the genetic modificationâ

a) Do you agree that there will be less public concern over engineered plants that donât contain transgenes from other species? Why or why not. (This is not a science question.)

b) Do you think that GMOs created by transgenic methods (moving genes from other organisms) should be regulated differently from those created by CRISPR? (This is a science question.)

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EEB202H1 Lecture Notes - Lecture 5: Genetic Pollution, Selective Breeding, Pharmacology

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