“Combine these traits of self-denial and what follows is a propensity for deep unhappiness.”

“This sentiment, dictated by pride, inevitably stifled in the Romans all love and propensity for the arts.”

“The propensity for music-making may be a genetic trait that has spread throughout the population over many generations.”

“It is said of Dr. Main, that his propension to innocent raillery was so great, that it kept him company even after death.”

“This propension has drawn on him, tho' very unjustly, the censure of some grave men.”

“This polymorphism is not a good predictor of response to IFN therapy and it is also associated with higher level of ISG expression in the liver and propension to chronicity.”

“What we need to do is correlate the various gene variants with various behavioral propensities.”

“Given the known propensities of baggage handlers, a hard-sided case is definitely the way to go.”

“In fact, it is often possible to redescribe the imitation experiments in terms of genetic propensities, as Dugatkin acknowledges.”