cytological marker

A tumor marker is a substance found in the blood, urine, or body tissues. There are many different tumors markers, each indicative of a particular disease process, and they are in ...

marker

Biotechnology; Genetic engineering

An identifiable DNA sequence that facilitates the study of inheritance of a trait or a gene. Such markers are used in mapping the order of genes along chromosomes and in following ...

marker

Legal services; DNA forensics

Pieces of DNA sequence of known locations on chromosomes that are used to identify the specific genetic variations an individual possesses.

interstitial wear

Archaeology; Human evolution

See interproximal wear.

one gene-one enzyme hypothesis

Archaeology; Human evolution

The hypothesis, based on Beadle and Tatum's studies in biochemical genetics, that each gene controls the synthesis of one enzyme.

formation processes

Archaeology; Human evolution

Those processes affecting the way in which archaeological materials came to be buried, and theirsubsequent history afterwards. Cultural formation processes include the deliberate ...

subspecies

Archaeology; Human evolution

A geographically defined aggregate of local populations which differs with various degrees of significance (depending on the author) from other such subdivisions of the species.