【正文快照】: 生殖成功(reproductive success)是植物适应环境条件的重要组成部分.判断有性生殖成功与否的一个重要标准是结籽率的高低,自然条件下膏桐的结籽率高达90.15%.
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The Darwin's theory of evolution by Natural Selection showed the competitive ways of individuals' encounter and stressed the cruel strive among individuals who fight for food, space and resources to achieve the highest reproductive success.
达尔文自然选择学说揭示了生命个体相遇时的竞争方式,强调生命个体之间为了争夺食物、空间和资源以实现最大生殖成功率进行你死我活斗争。
参考来源 - 生物有机体的亲缘利他行为及其进化机制研究·2,447,543篇论文数据,部分数据来源于NoteExpress
在动物如何择偶方面,大多数研究的着眼点都放在了伴侣之于对方身体上某种能够很好地表明其基因般配性的特征的偏爱程度上面,而这种般配性通常又是以生殖成功率来衡量的。
MOST research into how animals choose their mates looks at how partners show preference for certain physical traits, which may well indicate genetic fitness-usually measured as reproductive success.
使用干细胞技术,由richard r . Berhringer博士带领的德克萨斯州M.D.A nderson肿瘤中心的生殖科学家们利用两只公鼠成功繁殖出雌性和雄性老鼠后代。
Using stem cell technology, reproductive scientists in Texas, led by Dr. Richard r. Berhringer at the M.D. Anderson Cancer Center, have produced male and female mice from two fathers.
美国生殖科医生帕诺什·扎沃斯表示,他已经克隆了14个胚胎并成功地移植了其中的11个。
American fertility doctor Panayiotis Zavos said he had cloned 14 embryos and successfully transferred 11 of them.
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