Obama is not the most typical black in America. True or false?

According to Obama's autobiography he was brought up by his white grandparents and was raised to be aware of his white heritage and identity.

However, had he not known who his mother was then perhaps he might have assumed a different identity that is more typical of the Blacks in America.

Consequently, we must infer that the question of social, cultural and political behaviour should crucially depend on one's knowledge of oneself and one's cultural heritage.

Ultimately, such a behaviour may have to be realigned or readjusted in view of certain information coming to light.

True or false?