Glossary of terms used on this site

Glossary of biology.

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Glossaries

Term Main definition
genetic drift
Glossaries - Biology glossary

effect of chance on a population’s gene pool

genetic engineering
Glossaries - Biology glossary

alteration of the genetic makeup of an organism

genetic map
Glossaries - Biology glossary

outline of genes and their location on a chromosome

genetic marker
Glossaries - Biology glossary

gene or sequence on a chromosome with a known location that is associated with a specific trait

genetic recombination
Glossaries - Biology glossary

DNA exchange between homologous chromosome pairs

genetic structure
Glossaries - Biology glossary

distribution of the different possible genotypes in a population

genetic testing
Glossaries - Biology glossary

process of testing for the presence of disease-causing genes

genetic variance
Glossaries - Biology glossary

diversity of alleles and genotypes in a population

genetically modified organism (GMO)
Glossaries - Biology glossary

organism whose genome has been artificially changed

genome annotation
Glossaries - Biology glossary

process of attaching biological information to gene sequences

genome fusion
Glossaries - Biology glossary

fusion of two prokaryotic genomes, presumably by endosymbiosis

genome mapping
Glossaries - Biology glossary

process of finding the location of genes on each chromosome

genomic library
Glossaries - Biology glossary

collection of cloned DNA which represents all of the sequences and fragments from a genome

genomics
Glossaries - Biology glossary

study of entire genomes including the complete set of genes, their nucleotide sequence and organization, and their interactions within a species and with other species

genotype
Glossaries - Biology glossary

underlying genetic makeup, consisting of both physically visible and non-expressed alleles, of an organism

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