Steps in Genetic Engineering Flashcards

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What is genetic engineering?

Genetic engineering is changing an organism's DNA by adding a gene from another organism.

Scientists choose a useful characteristic and find the gene that controls that characteristic.

It means removing the piece of DNA that codes for the desired characteristic.

The isolated gene is put into the cells of another organism.

The modified cells or organisms are allowed to grow and reproduce, making many copies of the new gene.

1) Select desired characteristic 2) Isolate gene 3) Insert gene 4) Allow modified organism to reproduce.

It is called a genetically modified organism, or GM organism.

Genes can be transferred to animals, plants and microorganisms such as bacteria and yeast.

So only the desired characteristic is changed, and the rest of the DNA stays the same.

To give an organism a new useful characteristic, such as resistance to disease or making a medicine.