The complete set of observable traits that make up the structure and behavior of an organism is called its phenotype.

Sometimes, different alleles can result in different observable phenotypic traits, such as different pigmentation.

I suspect earlier humans might have chosen mates based on other observable traits.

"What is left is a certain social ambience that is Gaelic in feeling with music and dance the most obvious and observable traits."

There is also little evidence that the rules have altered the trend lines in the observable traits of teachers.

From this gigantic list they extracted 4500 personality-describing adjectives which they considered to describe observable and relatively permanent traits.

Therefore behavior is studied through observable traits.

They then reduced this gigantic list to 4,504 adjectives which they believed were descriptive of observable and relatively permanent traits.

These techniques were originally designed for epidemiological uses, to identify genetic associations with observable traits.