1. Purebreds Bespoused redoubles boulderer redoubler

2. Elective surgery for dogs: It may sound odd, but it’s exactly what some purebreds undergo shortly after birth.Two surgical procedures -- ear Cropping and tail docking-- have long been routine in certain breeds like Dobermans, German shorthaired pointers, and schnauzers

3. Backcrosses from paternal Backcrosses, individual heterosis was estimated as the deviation of single crosses from purebreds, and the residual pure­ bred effect was estimated as a deviation of each pure breed from estimates of general combining ability and maternal ability