BIOL 101 1st Edition Lecture 29 Outline of Last Lecture I Apples and Fertilization II GMOs a Advantages b Disadvantages Outline of Current Lecture I GMOs II Adverse Effects III Education of GMOs Current Lecture Class Discussion GMOs as food They put genes in GMOs that code for proteins and then express themselves Herbicide resistant plants allow farmers to spray herbicides on the plants to kill weeds without harming the plants Vitamin A rice we have introduced a gene that allows rice to produce beta carotene to help enhance the nutritional value of rice which would benefit countries around the world BT corn is a gene that produces a toxin that kills bugs Ringspot virus resistant it allows the plant to be resistant to ringspot What effect might GMOs have on our health they haven t caused harm to a single person or animal GE traits are composed of the same chemical building blocks that we eat everyday Within one hour 98 of the DNA in foods is digested completely and most proteins breakdown sooner Is the process of adding genes to our food by genetic engineering any more risky than adding genes by conventional breeding Genetic engineering and conventional breeding pose similar consequences How might a gene inserted into a plant affect its nutrition Irradiated Rice a natural induced genetic change We induce mutations to wild type rice which creates new alleles and then select for those new traits they think are beneficial Why shouldn t we label GMOs It scares a lot of customers even though theres no evidence that theyre harmful Can GMOs can cause allergies GMOS have not caused an allergic reaction in humans There has been a case in which a adverse reaction as documented in the lab prior to commercialization this was never released to the public
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