gene technology, genetic engineering, genetic modification: these terms are generally interchangeable and are a part of biotechnology. Gene technology is the study of genes and gene expression; it can also mean taking advantage of natural variations in gene expression or manipulating gene expression for a certain purpose. Gene technology often involves cloning. See also cloning

gene therapy: a type of therapy in which a faulty gene is replaced with a working version, or a new gene is introduced to cure a condition or modify its effects