jm + inheritance   2

Health of purebred vs mixed breed dogs: the actual data - The Institute of Canine Biology

This study found that purebred dogs have a significantly greater risk of developing many of the hereditary disorders examined in this study. No, mixed breed dogs are not ALWAYS healthier than purebreds; and also, purebreds are not "as healthy" as mixed breed dogs. The results of this study will surprise nobody who understands the basics of Mendelian inheritance. Breeding related animals increases the expression of genetic disorders caused by recessive mutations, and it also increases the probability of producing offspring that will inherit the assortment of genes responsible for a polygenic disorder. 


In conclusion, go mutts.
dogs  breeding  genetics  hereditary-disorders  science  inheritance  recessive-mutation  data 
march 2016 by jm

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