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Curmudgeoness

(18,219 posts)
3. What they have done with purebreds makes me crazy.
Fri Aug 8, 2014, 06:52 PM
Aug 2014

Why can't we marry our siblings, or cousins? Why have the royal families in the past had so many genetic problems.

It is called "hybrid vigor". There is less chance of unfavorable traits, especially those passed on by recessive genes. Mutts rule!

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