Generally, elevated yolk testosterone increases nestling growth, competitive behaviors, and bold behavioral traits.
Numerous behavioral traits, such as feeding behavior, feather pecking or stress susceptibility, are also heritable [ 21].
All human behavioral traits are heritable".
In addition, he said, such differences are "exceedingly unlikely" to affect intelligence or complex behavioral traits.
-- their behavioral traits, the less admirable ones in particular, will not seem exotic at all.
Along the way, their behavioral traits and attitudes became ever more dominant.
The behavioral traits associated with testosterone are largely the cliche-ridden ones you might expect.
Built through research into game logs, statistics and the behavioral traits of coaches, Zeus accurately replicates a modern N.F.L. game.
Mr. Stark clearly loves lists and labels, particularly when it comes to characterizing negotiating styles and behavioral traits.
There are also "negative behavioral traits" that are "reported not only by their enemies but also by well-meaning observers".
But nature is also full of examples of related but geographically isolated species that have similar physical or behavioral traits.
