Quote:
Originally Posted by therussmeister
Regression towards the mean.
Greatness arises out of nowhere and recedes into nowhere. Great men and women tend not to be the offspring of greatness nor do their offspring achieve greatness. Nor do they have great siblings, aunts and uncles or cousins. They are outliers in their genetic line who, unfortunately cannot pass on their unique genetic combination to their children.
I assume the same applies to horses, but I don't use breeding much in my handicapping.
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Overall that might be true in humans because there are so many other factors involved in achieving whatever "greatness" is in your theory, but if you really think that athletic parents aren't more likely to have athletic children then I don't know what to tell you...the number of second- and third-generation pro athletes would indicate you're wrong.