What's more dangerous: manipulating genetics of crops or spraying roundup onto the food crops? Isn't the most common genetic modification the one that makes th

What's more dangerous: manipulating genetics of crops or spraying roundup onto the food crops? Isn't the most common genetic modification the one that makes the plants immune to roundup? Wikipedia seems to say that glyphosate is harmless to humans in small doses, but the talk page references the combination of glyphosate and TN-20 which is included in roundup and this link is about the human toxicity of that combination: http://www.ncbi.nlm.nih.gov/pubmed/23099315 http://www.ncbi.nlm.nih.gov/pubmed/23099315