Ideograms and partial karyotypes are shown. For the deletions, the arrows indicate a) the deletion of chromosome 15q11-13 associated with Prader-Willi and Angelman syndromes, and b) the deletion ...

Figure 1: Overview of the imprinted domain in human 15q11–q13 and the PWS family studied. We isolated mouse oocytes following hormonal stimulation as described 19. We isolated mouse spermatozoa ...