Definition of "nonadditivity" [nonadditivity]

• Without the state or quality of additivity. (noun)

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• "The establishment of such a link is sorely needed if we aim for a better understanding of the biological mechanisms underlying intra - and inter-locus additivity and nonadditivity."
• "Here we show that by considering the additivity and nonadditivity features of each genotype explicitly, regulatory biology can be linked to the basic concepts of single locus genetic theory in a straightforward way."
• "Since homoallelic or heteroallelic nonadditivity is a prerequisite for genetic dominance"