What is recombinant DNA technology?

Recombinant DNA technology is a set of techniques used to combine DNA from different sources into a single molecule, creating new genetic combinations that do not occur naturally. This technology allows scientists to isolate, modify, and insert specific genes into organisms.

The process involves several key steps:

• Isolation of the desired gene using enzymes or molecular tools

• Cutting DNA using restriction enzymes, which act like molecular scissors

• Insertion of the gene into a vector (commonly a plasmid)

• Ligation, where the inserted DNA is joined with the vector using DNA ligase

• Transformation, where the recombinant DNA is introduced into a host cell (such as bacteria)

Once inside the host, the inserted gene can be expressed, producing the desired protein or trait.

Recombinant DNA technology is widely used in:

• Medicine (e.g., production of insulin, vaccines)

• Agriculture (genetically modified crops)

• Research (gene function studies)

Overall, it enables precise genetic modification, making it a powerful tool in biotechnology and modern science.