Physical map

From Wikipedia, the free encyclopedia

A physical map can refer to:

  • A physical map (cartography) shows identifiable landmarks such as mountains, rivers, lakes, oceans, and other permanent geographic features.
  • A physical map (genetics) tells you how much DNA separates two genes and is measured in base pairs, as opposed to a genetic map which tells you the positions of genes in relation to each other based on the frequency of crossing overs (recombinant frequency).


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