Advances in Human Genetics 1

During the last few years the science of human genetics has been expanding almost explosively. Original papers dealing with different aspects of the subject are appearing at an increasingly rapid rate in a very wide range of journals, and it becomes more and more difficult for the geneticist and virtually impossible for the non geneticist to keep track of the develop­ ments. Furthermore, new observations and discoveries relevant to an overall understanding of the subject result from investigatio