Foreign DNA

Definition

Foreign DNA refers to genetic material that originates outside the organism into which it is introduced. It is often used in biotechnology for purposes such as cloning, gene therapy, and genetic modification.

5 Must Know Facts For Your Next Test

1. Foreign DNA can be introduced into an organism through various techniques such as transformation, transfection, or injection.
2. The incorporation of foreign DNA into an organism's genome can result in the expression of new traits or proteins.
3. Plasmids are commonly used vectors for transferring foreign DNA into bacteria.
4. Restriction enzymes and ligases play crucial roles in cutting and joining foreign DNA with host DNA.
5. The use of foreign DNA in agriculture has led to the development of genetically modified crops with desirable traits like pest resistance.

Review Questions

Related terms

Transformation: A process by which external genetic material is introduced into a cell.

Plasmid: A small, circular piece of DNA commonly used as a vector to transfer foreign genes.

Restriction Enzyme: An enzyme that cuts DNA at specific sequences, facilitating the manipulation of genetic material.