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At all-around week 7 in utero, the sexual intercourse-related gene to the Y chromosome initiates the event on the testicles in male infants. The testicles generate testosterone. 在青春期时,睾酮会令孩童出现第一种雄激素上升可见的现象。这些现象包括:[来源请求] This increases the reproductive fitness with the mother and father due to the fact their offspring are more likely to endure https://nexalin-tablet29493.pointblog.net/michel-cymes-an-overview-70352641

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