How big can a Chuanchuan dog grow?

The size of a puppy depends on the genes of its parents, and the breeding male is the key. After all, nowadays people pay much attention to the quality of the breeding male, and ignore the mother. In short, the first cell of the puppy contains half of the father's genes and half of the mother's genes. Therefore, the puppy shows half of the traits of the father and half of the traits of the mother. Therefore, each Chuanchuan dog How old you can grow is different, it mainly depends on your parents.