And the theory is that every individual has an innate inborn preference for behaving at one end or the other.

Bumblebees exhibit an innate preference for blue corollas, as this color is very conspicuous to bees against green-colored backgrounds.

Clearly, Dr. Marler concluded, birds are strongly influenced but not necessarily bound by innate preferences.

Many studies have ventured to explain this innate preference for symmetry with methods including the Implicit Association Test (IAT).

Babies have an innate preference to listen to their mother's voice.

And even if there is a gendered innate preference, does that mean we have to work quite so hard to encourage it?

So what if girls have an innate preference for dolly's.

For example, humans have an innate preference for sweets dating back to hunter-gatherer populations.

All the same, today we speak casually of innate preferences, adaptive behavior and fitness strategies.

So they probably have an innate preference for strong colors.