Babies are often allergic to cows' milk. A scientific breakthrough means that may no longer be the case.
But is it right for humans to play with nature to such an extent. And could there be some hidden danger ahead?
In this week's 6 Minute English, Jen and Neil discuss genetically modified cows.
This week's question:
In what year was the first genetically modified food sold on the market. Was it?
Listen out for the answer at the end of the programme.
Genetically modified cows
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a condition in which the body has an adverse reaction to something
- immune system
cells and tissues which fight disease and infection
people or things who cause trouble or commit crime
- genetically modified
having had its genes changed to enhance better qualities
- side effects
additional consequences to those expected