Which Parent is Worse?

Which parent, mother or father, is worse for the child genetically? Most of us now know older mothers increase the chance of Down's syndrome, but studies have now found older fathers may increase the chance for Schizophrenia. In another study, mothers were found to increase a child's memory based on the mother's experiences as a child, whereas the father had no effect.

http://www.sciam.com/article.cfm?id=the-father-factor

http://www.sciam.com/blog/60-second-science/post.cfm?id=how-your-mother-might-affect-your-m-2009-02-03

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