On the mixing of 'equal' animals

... to produce an offspring of equally better and more fit animals:

http://www.dailymail.co.uk/sciencetech/article-1265949/Mixed-race-people-attractive-finds-British-study.html

Bloody hell, I'm puzzled.
Lrn2Mendel, stupid gits.
That's payback time for Cromwell I guess.

implying anyone cares except butthurt persons of mixed race