A reassessment of Y chromosomal behaviour in germ cells and Sertoli cells of the mouse as revealed by in situ hybridisation.

Abstract excerpt

In situ hybridisation experiments were carried out to reappraise the state of condensation of the Y chromosome in germ cells and Sertoli cells of the mouse. Previous work had suggested that all testicular cells showed a condensed Y chromosome prior to the adult stage. We now demonstrate that, although the Y chromosome is condensed in pre-pubertal Sertoli cells, it is greatly expanded in primordial germ cells...

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