It was one thing to breed animals for specific traits, but to begin from the first cell to create a totally new creature?

There is a similar effect for several other psychological traits.

The effect for several other psychological traits is similar.

This is a result of selecting for different traits than those selected by show breeders.

Should parents be able to buy genes for superior traits for their children?

He added, "An individual with children should realize the need to look for different traits in a future mate.

These should prove most useful for fixing traits and sexual type.

He believes that human culture arose through sexual selection for creative traits.

But work remains to figure out what the genes do and which ones are responsible for desirable traits.

They are commonly captive bred for particular traits of pattern and color.