biotech

DNA fingerprint

Unique sequence of DNA base pairs that can be used to identify a person at the molecular level

gel electrophoresis

Procedure used to separate and analyze DNA fragments by placing a mixture of DNA fragments at one end of a porous gel and applying an electrical voltage to the gel

restriction enzymes

Enzyme that cuts DNA at a specific sequence of nucleotides

genetic engineering

Process of making changes in the DNA code of living organisms

bacterial transformation

ability of bacteria to alter their genetic makeup by uptaking foreign DNA from another bacterial cell and incorporating it into their own

Transgenic Organism (GMO)

genetically modified organism; any organism that contains genes from other organisms; ex. glow in the dark mouse

Recombinant DNA

DNA produced by combining DNA from different sources

Plasmid

A small ring of DNA that carries accessory genes separate from those of the bacterial chromosome

Vector

A quantity that has magnitude and direction

Human Genome Project

An international collaborative effort to map and sequence the DNA of the entire human genome.

genetic screening

process of testing DNA to determine the chance a person has, or might pass on, a genetic disorder

gene therapy

The insertion of working copies of a gene into the cells of a person with a genetic disorder in an attempt to correct the disorder

stem cells

unspecialized cells that are able to renew themselves for long periods of time by cell division