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Mapping Functions

  • Roy Robinson

Abstract

The raw data for chromosome mapping are the crossover values obtained for loci spaced serially along the physical chromosomes. The simplest map is that of the cumulative sum of crossover values for adjacent genes. This is the map expressed in crossover units. When the loci are sited close together, the cumulative sum gives an accurate representation of the chromosome in centimorgans. Unfortunately, when the loci are not sited close together, the simple one-to-one relationship breaks down. The greater distance, the poorer the representation. To bridge the gulf, it is necessary to derive a mapping function to relate the determined crossover value to chromosome segment length.

Keywords

Mapping Function Chromosome Length Chiasma Formation Laboratory Mammal Crossover Fraction 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Publishing Company Ltd. 1971

Authors and Affiliations

  • Roy Robinson

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