genetics (je-net´iks)

The branch of science concerned with the means and consequences of transmission and generation of the components of biological inheritance. [G. genesis, origin or production]
behavioral g. the study of heritable factors in behavioral patterns, as by pedigree analysis, biochemical abnormality, or karyotypic analysis.
biochemical g. the study of g. in terms of the chemical (biochemical) events involved, as in the manner in which DNA molecules replicate and control the synthesis of specific enzymes by the genetic code.
classical g. that body of method and analysis that perceives g. as the study of the transmission of genotype from parent to offspring; the study of multiple individuals is essential to it.
clinical g. g. applied to the diagnosis, prognosis, management, and prevention of genetic diseases. Cf. medical g.
epidemiological g. the study of g. as a phenomenon of defined populations by the criteria, methods, and objectives of epidemiology rather than of population g.
galtonian g. the study of traits by analysis of the first two moments of metrical data; the preferred method for analysis of traits following the multivariate gaussian distribution.
Galtonian-Fisher g. the g. of measurable traits determined by multiple loci which make contributions that are independent, additive, and approximately equal.multilocal g;
human g. the study of the genetic aspects of humans as a species. Cf. medical g.
mathematical g. the study of genetic traits by formal analysis, e.g., quantitative g., population dynamics, genetic epidemiology, modeling.
medical g. the study of the etiology, pathogenesis, and natural history of human diseases which are at least partially genetic in origin. Cf. clinical g., human g.
mendelian g. the study of the pattern of segregation of phenotypes under the control of genetic loci taken one at a time.
microbial g. the study of hereditary mechanisms of microbes.
modern g. that body of method and analysis that perceives g. as the study of the economy of nucleic acids and associated compounds.
molecular g. molecular biology applied to g.
multilocal g. Galtonian-Fisher g
population g. the study of genetic influences on the components of cause and effect in the somatic characteristics of populations.
quantitative g. the formal study of measurable genetic traits, traditionally but not necessarily confined to galtonian g.
reverse g. term referring to methods in molecular biology directed to tracing existent protein back to the gene that generated it in contrast with the classical path which was to argue from the gene to the protein. The usage of this term is not wholly standardized.
somatic cell g. the study of the structure, organization, and function of a genome by the techniques of cell hybridization.
statistical g. the study of the applications of principles of statistics to problems in genetics.
transplantation g. g. as applied to the transplanting of tissues from one animal to another.


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