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position effect
the change in the expression of a gene when its position is changed with respect to its neighboring genes; can be induced through inversions and translocations ...
In contrast, because plant mini-chromosomes segregate independently from the host chromosomes, they eliminate insertional mutagenesis and position effects.
Specific epigenetic processes include paramutation, bookmarking, imprinting, gene silencing, X chromosome inactivation, position effect, reprogramming, transvection, maternal effects, the progress of carcinogenesis, many effects of teratogens, ...
 See also: Expression, Gene, Genetics, Express, Trans
  
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