Chromatin hetropycnote partly in spermatogonium, then become highly coacervate to form chromosome at the stage of spermatid and at last decondense at the stage of spermatozoon.

 
  • 染色質(zhì)在精原細胞中為部分異固縮,在精母細胞中高度凝聚為染色體,在精細胞及精子中為均勻非致密態(tài)。
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