Without this, you are reducing your chances of concentrating the genes of the linebred ancestor.

没有这种选择，你就正降低强系内繁殖中祖先基因的会。

A linebreeding may produce a puppy with magnificent qualities, but if those qualities are not present in any of the ancestors the pup has been linebred on, it may not breed true.

系内繁殖可以生出群的小狗~~但是如果这些并没有系内繁殖的小狗任何祖先身上呈现~~可能就是不准确的繁殖。