Genetically modified crops Flashcards

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1
Q

What is menat by genetically modifying something?

A

transferring genes artificially from one species to another

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2
Q

what are herbicides ?

A

chemicals that farmers use to kill crops

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3
Q

how would you make a plant herbicide resistant (soya beans)

A

. cut out genes from resistant plant
. transfer into the chromosomes into chose plant (soya bean)
. clone the modified cells to produce genetically modified plants resistant to herbicides

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4
Q

what are the advantges of genetic modification?

A

. plants that are resistant to herbicides can be sprayed with it to kills pest plants like weeds surroundig it
. leads to incresaed yields as other pest plants are taken away so less competition for space and nutrients

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5
Q

What are the disadvantages of genetically modified plants ?

A

. the health effect of eating them
. the escape of transferred geens into another species
. the creation of superweeds resistant to herbicides
. unkown long term side effects

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6
Q

Whay would it be importnant to carry out extensive field trials of genetically modified technology?

A

. to understand the posible health effects on the enviroment
. to identify any possible health problems
. to check if theres a transfer of genes to other species

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