What characteristics does he say he inherited from his parents?

Only one of the following characteristic of the parents can be inherited by their childern. This one is :

Mitochondria are inherited from____parent.

Why does Douglas as an adult recount a childhood experience of terror and his conquering of it? What larger meaning does he draw from his experience?

What reasons does he give to Sergei for his telling lies?

What does he say about Lutkins?