Inheritance patterns and percentage of affected pups in litters indicate that tns is inherited in a recessive manner ( like cl ) with both parents having to be carriers of the disease to produce an affected pup 遗传模式及同窝幼犬中患病者的比率表明tns以隐性方式遗传（与蜡样质脂褐素沉积病一样） ，即亲代双方均为疾病携带者的情况下才能产生患犬。
