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单词 map unit
释义 DictionarySeecentimorgan

map unit


map unit

[′map ‚yü·nət] (genetics) A measure of genetic distance corresponding to a recombination frequency of 1% or 1 centriMorgan (cM).

map unit


map unit

An arbitrary unit for the distance between genes, usually derived from the percentage of recombination, but also defined by the time at which the gene is transferred during conjugation. One map unit corresponds to a recombination frequency of 1%.

map unit

or

linkage unit

a unit of ‘distance’ between genes along a chromosome. The number of map units is directly correlated with the amount of RECOMBINATION between loci; 1% recombination is equal to 1 map unit. See CROSS-OVER VALUE, GENETIC LINKAGE.
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