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<blockquote data-quote="Anonymous" data-source="post: 4940"><p>if you bred F1 X F1 and they were the same breed compositions, then wouldnt that be double backcrossing. and then your F2s would genetically be the same as your F1s..and their heterosis or hybrid vigor would be zero b/c they are the same as their parents, the F1s. correct?</p><p></p><p>'ve always read and heard of back</p><p>> crossing as being breeding back to</p><p>> the breed of one of the parents.</p><p>> If you breed and F1 AngusXHereford</p><p>> back to an angus that is back</p><p>> crossing. If you breed an F1 to an</p><p>> F1 of the same composition, it's</p><p>> in affect backcrossing</p><p></p><p>> dun</p></blockquote><p></p>
[QUOTE="Anonymous, post: 4940"] if you bred F1 X F1 and they were the same breed compositions, then wouldnt that be double backcrossing. and then your F2s would genetically be the same as your F1s..and their heterosis or hybrid vigor would be zero b/c they are the same as their parents, the F1s. correct? 've always read and heard of back > crossing as being breeding back to > the breed of one of the parents. > If you breed and F1 AngusXHereford > back to an angus that is back > crossing. If you breed an F1 to an > F1 of the same composition, it's > in affect backcrossing > dun [/QUOTE]
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