01-15-2011, 05:32 AM
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#5 |
| Donating YT 10K Club Member
Join Date: Apr 2005 Location: at da beach
Posts: 15,444
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The inheritance of PDA is considered polygenic...which means BOTH of your dogs contributed the gene which resulted in the birth defect.
__________________ Deb, Reese, Reggie, Frazier, Libby, Sidney, & Bodie |
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