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 The precise definition of race is under dispute.. 

I wrote this to help spread understanding, please make sure to read the definitions of outcrossing on the link.

There is a lot of misunderstanding of genetics and further there is a lot of misinformation that people spread because they WANT you to think that there is no difference between peoples for a political or social agenda, that does not make it so. Humans share 98% of our genetic code with Chimpanzees, yet that 2% defines our differences and is important as is the difference in the human population, no matter how small the difference.

There are obviously differences in the expressed traits between Asian, African and Caucasian. These are different types of humans, if you choose to call the a race/breed or type it's up to you and it's immaterial. My argument has always been that racial diversity should be preserved which is a more neutral position rather than promoting that race mixing and interbreeding is somehow positive.

You and many people that listen to pop culture may think that by interbreeding you are helping humanity and there are lots of myths about how you will create better offspring; offspring that have the best of both parents. This is just a myth told by people who, are trying to say that people are equal, if different. Yes, people are people as Americans we believe that all people have certain inalienable rights but the best position for humanity is for each of the races to exist, separately to be the best we can. If you truly understand the advantages that diversity offers you will agree too.

I personally breed horses. And this is where I'll start telling you a story: the Thoroughbred horse started out as a mixed race horse. It was based on Arab stock and was bred only for speed for many generations, regardless of breed, the horse that ran the race the fastest was bred to other fast horses. The Thoroughbred breeding book is now closed, which means you cannot breed a Thoroughbred to any other breed, because, ANY cross you make outside of the gene pool will reduce the speed of the horse. This is called line breeding, please read this article as a basic ""learn to breed"" guideline: http://www.learntobreed.com/linebreeding.html. Line breeding(inbreeding) is a useful technique as is outcrossing when advantagous to produce quality results, random mixing is like a child finger-painting and does nothing positive.

What Wikipedia has been proposing is that random interbreeding is potentially a good idea and should be treated as potentially positive. Any person who knows about breeding animals will disagree, it's very unlikely that race mixing will result in a positive result unless it was planned for by a geneticist. When you cited the plant hybridization, that's what you were doing citing a hybrid that was designed in a laboratory and there were not human beings or living animals as a result of a genetic mistake. You can't through bad human crosses in the trash like you can with corn."