The Question and Answer section for The Island of Dr. Moreau is a great resource to ask questions, find answers, and discuss the novel.
No, the doctor never successfully crosses the line from animal to human. The Beast Men, as human-like as they are, never quite lose the inherent, wild tendencies predominant in their personalities.
Hi, unfortunately this is too involved for this short-answer forum.
From the text:
He sat in my deck chair, a cigar half consumed in his white, dexterous-looking fingers. The light of the swinging lamp fell on his white hair; he stared through the little window out at the starlight.
And forthwith, beginning in...