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secretariat had an enlarged heart (x factor gene) x chromosome, thus a trait secretariat could only pass on via his daughters.
MAPUTO 3yo a horse trained by mark jonhston, the dams sire is secretariat. |
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My fav ever horse, a genetic freak.................
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great horse but the x factor thing is just a very unproven theory. nice idea though.
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his win in belmont is probably the greatest performance ever on a racecourse
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