Their adoptive parents, surrogates. Mostly due to the fact their environment and their traits are picked up upon.
both, there are somethings they inherited from there bio-parents but most behavior is learned. monkey see monkey do kind of thing
I think the influence such as morals, rules, social stuff etch become apart of that child , and to a certin extent so do their attitudes and habits. <br />
But personality and characteristics are from biological parents. But it all depends on the cilds upbringing and influence.
Who is to say? Every child has the oportunity to develop into a truly unique person. It might also be that they are not becoming like either parents.