The rate of polygenic and recessively inherited diseases tends to increase with inbreeding, because the chance that the two animals carry the same mutation is greater when the dogs are related.
The rate of polygenic and recessively inherited diseases tends to increase with inbreeding, because the chance that the two animals carry the same mutation is greater when the dogs are related.
同系繁殖产生遗传病的比例比较大，因为关系较近的两只犬携带相同变异基因的可能性较大。