Synaptonemal complexes of the common shrew,iSorex araneus/iL., in spermatocyte spreads

摘要

This paper presents an electron microscopic analysis of the behavior and morphology of the sex chromosomes and autosomes during prophase I in the common shrew, Sorex araneus L. The pairing patterns of the X/Y1Y2 and autosomal Robertsonian trivalents are described.