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Epistatic


Epistatic
A gene which suppresses the expression of another gene (= the hypostatic gene) when the two are not alternate alleles. See epistasis.
Related Terms: Gene expression ...
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Epistatic interaction
: In genetic epidemiology, an epistatic effect is the modification of the risk conferred by one marker by the presence of a marker from an unrelated gene (unlinked gene-gene interaction). For examples, see
Kajiwara ...
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A gene is said to be epistatic when its presence suppresses the effect of a gene at another locus. Epistatic genes are sometimes called inhibiting genes because of their effect on other genes which are described as hypostatic.
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After the results are graphed, epistatic interactions are identified. According to Thomas Cheesbrough, (South Dakota State University, Brookings), ...
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This ratio is 9:7 instead of the 9:3:3:1 one would expect of a dihybrid cross between heterozygotes. Of the two genes (C and P), when either is homozygous recessive (cc or pp) that gene is epistatic to (or hides) the other.
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