Fact Sheet Written by:
Mark Thallman, PhD Research Geneticist
And Provided by:
University of California, Davis http://animalscience.ucdavis.edu
Whole genome selection (WGS) is an approach to using DNA markers that are distributed throughout the entire genome. Genes affecting most economically important traits are distributed throughout the genome and there are relatively few that have large effects with many more genes with progressively smaller effects. Traditional marker-assisted selection (MAS) focuses only on those regions which are relatively certain to influence the trait of interest and leaves most of the genome and much of the genetic variation unaccounted for.
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