Tamed fox shows domestication's effects on the brain

[HiPointDem]

11. i said *traits,* what is it you think you're schooling me on?

"A phenotypic trait is an obvious and observable trait; it is the expression of genes in an observable way."

and in fact, the researchers *did* find genetic difference, so now the point of the article is even more mystifying.

from the article:

In a different sort of analysis, Pipes discovered that all aggressive foxes carry one form of the GRM3 glutamate receptor gene, while a majority of the friendly foxes have a different variant of the gene.