Human Oocytes and Their Chromosomes: An Atlas

The last decade has seen remarkable advances in human ge­ netics. Once the correct chromosome number of the human genome was ascertained, a wide variety of diseases was rec­ ognized as due to numerical chromosome anomalies. There followed the discovery that spontaneous abortions are the result of chromosome errors, and specific band patterns of chromosomes allowed identification of minute lesions. The techniques of cell hybridization now allow specific gene assign­ ment to chromosomes and e...