This ABC is a concise, highly illustrated introduction to genetic mechanisms involved in inherited disorders. The book has been extensively updated with new and revised chapters to encompass rapid advances in the field. Basic genetic concepts are explained along with the application of new technologies in clinical practice. Information on relevant websites is also included along with recommended texts for further reading. Contents: Clinical genetic services; genetic assessment; genetic counselling; chromosome analysis; chromosome disorders; Mendelian inheritance; unusual inheritance mechanisms; estimation of risk; detection of carriers; single gene disorders; genetics of cancer; genetics of common disorders; dysmorphology and teratogenesis; prenatal diagnosis; DNA structure and gene expression; gene mapping and molecular pathology; techniques of DNA analysis; molecular analysis of Mendelian disorders; treatment of genetic disorders.'There is now no excuse for anyone to claim that he does not understand clinical genetics' -- Medical Journal of Australia