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Tetrad analysis can be used to confirm whether a phenotype is caused by a specific mutation, construction of strains, and for investigating gene interaction. Since the frequency of tetrad segregation types is influenced by the recombination frequency for the two markers, the segregation data can be used to calculate the genetic distance between ...
A blank tetrad diagram. Marshall McLuhan's tetrad of media effects [1] uses a tetrad - a four-part construct - to examine the effects on society of any technology/medium (that is, a means of explaining the social processes underlying the adoption of a technology/medium) by dividing its effects into four categories and displaying them simultaneously.
A tetrad is the association of a pair of homologous chromosomes (4 sister chromatids) physically held together by at least one DNA crossover. This physical attachment allows for alignment and segregation of the homologous chromosomes in the first meiotic division.
The tetrad test is a series of behavioral paradigms in which rodents treated with cannabinoids such as THC show effects. [1] [2] It is widely used for screening drugs that induce cannabinoid receptor-mediated effects in rodents. The four behavioral components of the tetrad are spontaneous activity, catalepsy, hypothermia, and analgesia.
A medical tetrad is a group of four, while a pentad is a group of five. Triads. Name Triad Disease Abdominal aortic aneurysm rupture Triad:
A tetrad is a set of four notes in music theory. When these four notes form a tertian chord they are more specifically called a seventh chord , after the diatonic interval from the root of the chord to its fourth note (in root position close voicing).
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Tetrad (astronomy), four total lunar eclipses within two years; Tetrad (chromosomal formation) Tetrad (general relativity), or frame field Tetrad formalism, an approach to general relativity; Tetrad (geometry puzzle), a set of four simply connected disjoint planar regions in the plane; Tetrad (meiosis), the four cells produced by meiotic cell ...