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jandan.net
2 年
鳄鱼也能孤雌生殖! - 煎蛋
科学家首次发现,雌性鳄鱼可以不经过交配就产卵,这是一种可能源于恐龙时代的奇特的生殖策略。 2018年,一只被圈养了16年的雌性美洲鳄 (Crocodylus acutus)产下了一窝蛋,其中一枚蛋含有一个可辨认的胚胎,与其母亲一样是雌性。 来自美国的一组科学家进行了遗传分析,发现这只鳄鱼在没有雄性 ...
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