澳大利亚研究人员通过动物实验首次发现,社会竞争环境会影响雄性产生精子的“性别比例”,竞争越激烈,会产生越多使后代为雄性的含Y染色体的精子。这项发现有助于人类性别相关遗传疾病、动物繁育等方面的研究。
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President Xi: China and France should jointly prevent a new cold...
By Chris Michael
“As the world goes through transformation and turbulence not seen in a century, China and France should uphold their independence and jointly...