Human genetics still remains one of the most controversial scientific disciplines, and the
opinions on its present status are lowest among the people who actually do research in the
subject. Nevertheless, progress is being made in various fields, also in the demonstration of
the insufficiency of evidence for many long held beliefs. Some of the difficulties responsible
for the intricacies of human genetics are of course widely known and fairly obvious, for
instance, the fact that we cannot breed greater numbers, that we cannot arrange matings …