Does Biological Link equate to emotional link or bond?

We all know that our biological link to our parents is very strong -- the genes passed down from a parent to a child carry a lot of similarities.  A child will have a lot of traits that are biologically "like" many traits of the parent.  A child can have physical attributes that resemble those of the parent.  These attributes can be similar in form (such as a long nose, long legs or a stocky figure) as well as in the way that people carry themselves or similarities in body language.

We are genetically linked to the condition of our parents and predisposed to their genetic attributes, tendencies (for example, it is common knowledge that alcoholism  is genetically inherited) and limitations.  But "to what extent" -- may be an interesting question.   A good, but vague answer would be "to whatever extent" the biological link might be.  The influence of this link is probably impossible to quantify or qualify scientifically, but we could speculate that as a whole we are only susceptible to half the biological influence of one parent and half of the other.  This would make us biologically a whole resulted from the mixture of the two halves -- two parents.

The physical influence dictated by our biological link to our parents is obvious.  The biological influence/similarities in the way that we move, walk, or talk are also obvious.   We don't have to be a medical doctor or a scientist to notice this, although in a physical (biological or genetic) sense there are similarities that a layperson cannot see and can only be determined by trained professionals and techniques in the field of genetics or biology.

Although our biological make-up is extremely important, what about the impact of the biological heritage on us in an emotional and psychological sense?  Are we predisposed to the way our parents are emotionally?  Are we psychologically conditioned or limited to the way our parents are psychologically?  If so, to what extent?  Do we have any control over it?