Question: what are the side effects of genetic engineering?
Answer: Potential Harms to Health. New Allergens in the Food Supply. Antibiotic Resistance. Production of New Toxins. Concentration of Toxic Metals. ... 
Potential Environmental Harms. Cross Contamination. Increased Weediness. Gene Transfer to Wild or Weedy Relatives. ... 
Unknown Harms to the Environment.
Risk Assessment.