Physical map

Physical map
A map of the locations of identifiable landmarks on chromosomes. Physical distance is measured in base pairs. The physical map differs from the genetic map which is based purely on genetic linkage data. In the human genome, the lowest-resolution physical map is the banding patterns of the 24 different chromosomes. The highest-resolution physical map will be the complete nucleotide sequence of all chromosomes.

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a gene map showing the linear order of genes or markers in the genome, along with the physical distances between them, rather than the frequencies of recombination; measured in base pairs. Cf. genetic m.

Medical dictionary. 2011.

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