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The Ratio of X Chromosome to Autosomes02:45

The Ratio of X Chromosome to Autosomes

In most organisms, sex is determined by the ratio of X and Y chromosomes. However, in some organisms, such as Drosophila and C.elegans, sex is determined by the ratio of the number of X chromosomes to the number of sets of autosomes. The Y chromosome in Drosophila is active but does not determine sex. It contains genes responsible for the production of sperms in adult flies.  
Normal male Drosophila has a ratio of one X chromosome to two sets of autosomes. In contrast, normal female Drosophila...

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Genetics of inbred Drosophila melanogaster. XXI. Re-reversion in the strength of R-elements.

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関連する実験動画

Updated: Jul 14, 2026

Measuring and Altering Mating Drive in Male Drosophila melanogaster
07:02

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ドロソフィラの精子における回復可能な致死性突然変異

K G LUNING, H O HENRIKSSON

    Nature
    |April 25, 1959
    PubMed
    まとめ

    No abstract available in PubMed .

    キーワード:
    遺伝学とは,遺伝学についてです.スペルマトゾオアとは

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