märker
81Marker chromosome — A marker chromosome (mar) is a structurally abnormal chromosome in which no part can be identified. The significance of a marker is very variable as it depends on what material is contained within the marker. It is essentially a partial trisomy.… …
82Marker gene — A marker gene is a gene used in molecular biology to determine if a nucleic acid sequence has been successfully inserted into an organism s DNA. There are two types of marker genes: a selectable marker and a marker for screening. Selectable… …
83Marker (Norwegen) — Wappen Karte …
84Marker, tumor — Tumor markers are substances that can be detected in higher than normal amounts in the blood, urine, or body tissues of some patients with certain types of cancer. A tumor marker may be made by a tumor itself or by the body in response to the… …
85Marker interface pattern — The marker interface pattern is a design pattern in computer science, used with languages that provide run time type information about objects. It provides a means to associate metadata with a class where the language does not have explicit… …
86Marker (linguistics) — In linguistics, a marker is a free or bound morpheme that indicates the grammatical function of the marked word, phrase, or sentence. In analytic languages and agglutinative languages, markers are generally easily distinguished. In fusional… …
87Marker (Stift) — Verschiedene Textmarker Als Markierstift oder Marker (vom englischen Begriff Marker pen) werden Stifte bezeichnet, mit denen man Textpassagen farbig hervorheben kann (Textmarker), sowie Stifte, mit denen auf speziellen Oberflächen wie Folien oder …
88Marker horizon — Tephra horizons in Iceland Marker horizons or chronohorizons or marker beds are stratigraphic units of the same age and of such distinctive composition and appearance, that, despite their presence in separate geographic locations, there is no… …
89marker beacon — The beacons serve to identify a particular location in space along an airway or an approach to an instrument runway. This is done by means of a 75 MHz transmitter, which transmits a directional signal to aircraft flying overhead. These markers… …
90Marker (telecommunications) — For other uses, see Marker (disambiguation). A marker is a type of special purpose control system that was used in electromechanical telephone central office switches. Central office switches are the large devices that telephone companies use to… …
