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Drosophila bifurca : ウィキペディア英語版 | Drosophila bifurca
''Drosophila bifurca'' is a species of fruit fly. Males of this species are known to have the longest sperm cells of any organism on Earth, an astonishing 5.8 cm long when uncoiled. The cells are mostly tail, and are delivered to the females in tangled coils. In a male's entire life he can only make a few hundred such cells. The other members of the genus ''Drosophila'' also make very few, giant sperm cells, with ''D. bifurcas being the longest. == References ==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Drosophila bifurca」の詳細全文を読む
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