For information about genes or anything medical, the best starting place is
http://www.ncbi.nlm.nih.gov/
For free papers or abstracts on virtually all published medical research
http://www.ncbi.nlm.nih.gov/pubmed/
MapView - graphical view of genes in many species
http://www.ncbi.nlm.nih.gov/mapview/
For a map of human genes
http://www.ncbi.nlm.nih.gov/projects...cgi?taxid=9606
MapView can give links to an enormous range of information.