Genetic engineering (AQA GCSE Biology): Flashcards

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Genetic engineering
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Genetic engineering definition

Changing an organism's DNA to give new characteristics

What scientists transfer in genetic engineering

A gene from one organism to another

Tool used to cut genes from chromosomes

Enzymes

Types of organisms genes can transfer between

Any - bacteria, plants, animals, or humans

GM crops definition

Plants changed using genetic engineering

GM crops benefit: disease resistance

Don't get plant diseases as easily

GM crops benefit: pest resistance

Insects can't damage them as much

GM crops benefit: herbicide resistance

Can spray weedkiller without harming crop

GM crops concern: wild plants

GM genes might spread to wild flowers

GM crops concern: insects

Less food for helpful insects

GM crops concern: human health

More research needed on safety for eating

Gene put in bacteria to make insulin

Human insulin gene

Why insulin from bacteria is needed

People with diabetes need insulin injections

What engineered sheep produce

Human protein in their milk

Future genetic engineering goal

Treat inherited disorders by fixing faulty genes

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