the quality of being particularly influential, powerful, or authoritative in some context, the quality of being strong or predominant;
e.g. Her arguments carry prepotency over theirs because she is the expert.
(noun)
the unusual phenomenon by which a living being is able to transmit characteristics to its offspring due to its being homozygous for several dominant genes;
e.g. This trait is often transmitted by prepotency from parent to offspring.