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How do scientists create genetically modified plants?

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Rows of genetically modified barley plants grow in an outdoor test plot in Germany, with a yellow marker labeled 3 and protective netting overhead. — genetically modified organism Genetically modified crops are assessed for their impact on environmental factors such as soil quality.

Scientists create genetically modified plants primarily through recombinant DNA technology, which allows for the precise insertion of specific genes into a plant's genome.12

The process involves the following key steps:

Gene Selection and Insertion: Scientists identify a desired gene—often from another plant, microbe, or animal—and introduce it into the living cells of the target plant. This added gene is known as a transgene.21
Integration: The transgene inserts itself into the plant's chromosome, becoming a permanent part of the organism's genome that is passed on to subsequent generations.1
Regeneration: Once the genetic material is successfully modified, the transgenic plant cells are grown into mature plants using special hormones.3

These techniques enable the development of crops with beneficial traits, such as resistance to herbicides, insects, and pathogens, as well as improvements in nutritional value and stress tolerance. This scientific approach supports more sustainable agricultural practices by potentially reducing the need for synthetic inputs and increasing overall crop productivity.142