Quick Guide: GM food
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What is GM food?

How does GM work?

Controversy

Defence

What is GM food?
Maize is among the GM crops which have been developed

Genetically modified food is produced from plants which have had their genetic make-up tweaked in the lab.

Scientists "cut and paste" a gene from another organism into a plant's DNA to give it a new characteristic.

This can be to increase yield or to allow the plant to exist in a more hostile environment than normal.

Pro-GM scientists say this means cheaper more plentiful food but opponents argue we do not know the consequences of meddling with nature.

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