the call of wild what's meant by the phrase the domesticated generation fell from him?

Question

a) buck has lost a lot of hair in his fight with spitz
b) buck is learning to love a human being again
c) buck is losing his civilized characteristics
d) buck longs to return home to the judge's family

Answer 1

The wolf loves his human but misses the wild of his origins. He must go back into the wild, it is nature after all.

Answer 2

buck has lost a lot of hair in his fight spitz