Epistasis - Wikipedia [1] Epistasis is a phenomenon in genetics in which the effect of a gene mutation is dependent on the presence or absence of mutations in one or more other genes, respectively termed modifier genes In other words, the effect of the mutation is dependent on the genetic background in which it appears [2]
Epistasis - National Human Genome Research Institute Epistasis is a circumstance where the expression of one gene is modified (e g , masked, inhibited or suppressed) by the expression of one or more other genes
Epistasis - Definition and Examples - Biology Online Dictionary Epistasis is a phenomenon in genetics whereby the presence or absence of mutations in one or more extra genes, referred to as modifier genes (genetic modifiers), affects the outcome of a gene mutation In other words, the mutation’s fate is determined by the genetic environment in which it occurs
Epistasis | Biology for Majors I - Lumen Learning Whether or not they are sorting independently, genes may interact at the level of gene products such that the expression of an allele for one gene masks or modifies the expression of an allele for a different gene This is called epistasis
Epistasis – Definition, Causes, Types, Examples - Biology Notes Online Epistasis refers to the phenomenon where the expression of one gene masks or suppresses the phenotypic effects of another gene This interaction occurs between non-allelic genes, meaning that it involves genes located at different loci rather than different alleles of the same gene
Epistasis - University of Utah The term epistasis describes a certain relationship between genes, where an allele of one gene (e g , ‘spread’) hides or masks the visible output, or phenotype, of another gene (e g , pattern)
12. 3F: Epistasis - Biology LibreTexts In epistasis, the interaction between genes is antagonistic: one gene masks or interferes with the expression of another “Epistasis” is a word composed of Greek roots that mean “standing upon ”