Detecting GMO DNA in Food Samples

Food DNA can be tested for genetically modified material by using PCR and gel electrophoresis. This experiment shows how food DNA is identified so students can better understand the science behind GMOs and the concerns linked to health and environmental safety.

Polymerase chain reaction, or PCR, ...

Genetically modified foods are products which contain an ingredient or ingredients whose DNA has been specifically altered. Presence of these modifications can be detected using a technique called the polymerase chain reaction.

Genetic modification of foods has been a controversial issue due to debated concerns over health and environmenta...