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体重の14％、キリギリスの精巣はなぜ世界一巨大になったのか？
by ゲスト at 2010-11-11 19:02:41
キリギリスは昆虫の中でも精巣の体重比が大きく、ショウジョウバエの一種Drosophila bifurca（地球上の生物で最も長い精子を持ち、コイル状に巻かれた精子を伸ばすと1つの細胞で5.6cmにもなる）の精巣が体重の10.6％なのに対し、キリギリスの中でも巨大な精巣を ...このトピックに関する記事をすべて表示する »
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