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The term cross-reference (abbreviation: xref) can refer to either: . An instance within a document which refers to related information elsewhere in the same document. In both printed and online dictionaries cross-references are important because they form a network structure of relations existing between different parts of data, dictionary-internal as well as dictionary external.
As of the 2022–23 and 2023-24 school years, District 9 will have 35 member high schools competing in various fall, winter and spring sports. [ 2 ] 11 of the 35 schools are located outside of the district from Butler , Clearfield , Forest , Venango and Warren counties, but compete in District 9 sports competitions.
The structure that results is a cross-strand exchange, also known as a Holliday junction. The contact between two chromatids that will soon undergo crossing-over is known as a chiasma . The Holliday junction is a tetrahedral structure which can be 'pulled' by other recombinases, moving it along the four-stranded structure.
List of ICD-9 codes 280–289: diseases of the blood and blood-forming organs; List of ICD-9 codes 290–319: mental disorders; List of ICD-9 codes 320–389: diseases of the nervous system and sense organs; List of ICD-9 codes 390–459: diseases of the circulatory system; List of ICD-9 codes 460–519: diseases of the respiratory system
The traits observed in this cross are the same traits that Mendel was observing for his experiments. This cross results in the expected phenotypic ratio of 9:3:3:1. Another example is listed in the table below and illustrates the process of a dihybrid cross between pea plants with multiple traits and their phenotypic ratio patterns.
A two-barred cross is similar to a Latin cross but with an extra bar added. The lengths and placement of the bars (or "arms") vary, and most of the variations are interchangeably called the cross of Lorraine , the patriarchal cross , the Orthodox cross or the archiepiscopal cross .
Green Tea standard reference. Certified reference materials (CRMs) are 'controls' or standards used to check the quality and metrological traceability of products, to validate analytical measurement methods, or for the calibration of instruments. [1] A certified reference material is a particular form of measurement standard.
Esotropia (from Greek eso 'inward' and trope 'a turning' [1]) is a form of strabismus in which one or both eyes turn inward. The condition can be constantly present, or occur intermittently, and can give the affected individual a "cross-eyed" appearance. [2]