Abstract: The expression of genes are subject to meiotic sex-chromosome inactivation(MSCI) during spermatogenesis, but lots of gene transcripts are reactivated in postmeiotic.

• 摘要: 精子形成过程中，基因表达经历了减数分裂性染色体失活，但有很多基因在减数分裂后期转录又重新被激活。