Single-gene disease — An hereditary disorder caused by a change (mutation) in a single gene. There are thousands of single gene diseases including achondroplasia, Huntington disease, cystic fibrosis, sickle cell disease, Duchenne muscular dystrophy, and hemophilia.… … Medical dictionary
Gene therapy — using an Adenovirus vector. A new gene is inserted into an adenovirull. If the treatment is successful, the new gene will make a functional protein. Gene therapy is the insertion, alteration, or removal of genes within an individual s cells and… … Wikipedia
Gene expression — For vocabulary, see Glossary of gene expression terms. For a non technical introduction to the topic, see Introduction to genetics. Genes are expressed by being transcribed into RNA, and this transcript may then be translated into protein. Gene… … Wikipedia
disease — diseasedly, adv. diseasedness, n. /di zeez /, n., v., diseased, diseasing. n. 1. a disordered or incorrectly functioning organ, part, structure, or system of the body resulting from the effect of genetic or developmental errors, infection,… … Universalium
Gene flow — In population genetics, gene flow (also known as gene migration) is the transfer of alleles of genes from one population to another.Migration into or out of a population may be responsible for a marked change in allele frequencies (the proportion … Wikipedia
Gene — The basic biological unit of heredity. A segment of deoxyribonucleic acid (DNA) needed to contribute to a function. An official definition: According to the official Guidelines for Human Gene Nomenclature, a gene is defined as a DNA segment that… … Medical dictionary
Gene duplication — Schematic of a region of a chromosome before and after a duplication event Gene duplication (or chromosomal duplication or gene amplification) is any duplication of a region of DNA that contains a gene; it may occur as an error in homologous… … Wikipedia
Gene gun — PSD 1000/He Particle Delivery System A gene gun or a biolistic particle delivery system, originally designed for plant transformation, is a device for injecting cells with genetic information. The payload is an elemental particle of a heavy metal … Wikipedia
Gene-environment interaction — Gene environment interaction, also called genotype environment interaction or GxE, is a term used to describe any phenotypic effects that are due to interactions between the environment and genes. Naive nature versus nurture debates assume that… … Wikipedia
gene therapy — n the insertion of usu. genetically altered genes into cells esp. to replace defective genes in the treatment of genetic disorders or to provide a specialized disease fighting function (as the destruction of tumor cells) gene therapist n * * *… … Medical dictionary
