noun
maternal effect
Technical term in biology referring to the influence of the mother's genotype or environment on the offspring's phenotype, independent of the offspring's own genotype.
母性効果は、母親の遺伝子が子の表現型に影響を与える現象です。
Maternal effect is a phenomenon in which the mother's genes influence the offspring's phenotype.
Compound of 母性 (maternal) + 効果 (effect). A straightforward calque of the English term 'maternal effect'.