Depending on the focus of your course, the following may or may not be of
interest. I've been very impressed with the following text as an
overview, although its emphasis may be too broad for your needs.
Avise, John C.
Molecular markers, natural history, and evolution
Chapman and Hall, Pubs (ISBN 0-412-03781-5).
David Harry Institute of Forest Genetics
deh at s27w007.pswfs.gov USDA Forest Service, Pacific SW Station
Phone: 510/559-6439 PO Box 245
FAX: 510/559-6499 Berkeley, CA 94701