Scientists have found that memories may be passed down through generations in our DNA

New research from Emory University School of Medicine, in Atlanta, has shown that it is possible for some information to be inherited biologically through chemical changes that occur in DNA. During the tests they learned that that mice can pass on learned information about traumatic or stressful experiences – in this case a fear of the smell of cherry blossom – to subsequent generations.
http://www.utaot.com/2013/12/30/scientists-have-found-that-memories-may-be-passed-down-through-generations-in-our-dna/