"Gil Hardwick" <gruagach@highway1.com.au> wrote: > Lesley, unlike mtDNA which is passed from the mother to son > and daughter alike, the Y-chromosome is passed from father to > son ONLY. If you had read the rest of this thread, you would have found that that I gave that information in an earlier post. It has not been a subject of dispute. Lesley Robertson Lesley Robertson <l.a.robertson@tnw.tudelft.nl>