GMOs hold promise of a better future
Throughout history, humans have continuously genetically modified, or improved, microorganisms, animals and crop plants through selection and breeding, to enhance their desirable characteristics. Sometimes, the modification of traits has been so drastic that the new varieties have been designated new species, as in those derived from the versatile Brassica oleracea, like broccoli, Brussels sprouts, cabbage, cauliflower, kale and kohlrabi. To accomplish desired changes in phenotype (the traits of an organism resulting from the interaction of the genotype and the environment), scientists have...