genomic期刊

回答 宝宝稍等 Science magazine is a comprehensive science magazine with English Name: Science Its science news report, summary, analysis and book review are authoritative popular science The magazine is also suitable for general The main focus of the journal is to publish important original scientific research and scientific research In addition, science also publishes science related news, views on science and technology policies and matters of interest to Unlike most scientific journals that focus on a particular field, science and its rival, nature, cover all According to the Journal Citation Report, the impact factor of Science in 2014 was 更多1条 

cellularmolecularmedicine细胞分子医学（美国)双语例句1Weaver,oftheLudwigInstituteforCancerResearchandUCSDDepartmentofCellularandMolecularMedicine,thestudy'该文的第一作者说“该研究开启了一系列癌症潜在靶向治疗的大门。

大概在44万年前，北美洲西北部形成了一道巨大的冰川，原本在这里生活的乌鸦不得不分化成为了两个物种，在北边的叫西北乌鸦，而在南边的叫美洲乌鸦。这两种乌鸦虽然看上去都是黑漆漆的，但是在大小和叫声上有区别，它们已经成为了两个物种。然而最近科学家们却发现，这两种乌鸦在40万年后的今天，竟然通过杂交又融合成为了一个物种！当年受到冰川阻隔带来的风化，似乎没能让它们分道扬镳，命运还是把两者聚集到了一起。这似乎说明物种的进化并非是单向的，有时候甚至还能反向 当然，这两种乌鸦的融合几乎用了40万年。 它们最终用了40万年的时间，改写了自己种群的历史。