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backcross
(redirected from backcrosses)

   Also found in: Dictionary/thesaurus, Medical 0.01 sec.
backcross [′bak‚krȯs]
(genetics)
A cross between an F1heterozygote and an individual of P1genotype.


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can not be truthfully separated accurately by taxonomists into species, because the original species that existed centuries ago have intercrossed themselves in the natural state so completely, and the natural selections have reached a critical composition and complexity, that cannot be adequately recreated through backcrosses.
In Montana, between 0-22% of sauger from the Missouri River drainage and 0-10% from the Yellowstone River drainage were hybrids or backcrosses.
 
 
 
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