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Related Concept Videos

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. XXIII. Diversity in cytoplasmic elements affecting recombination.

Hereditas·1990
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Measuring and Altering Mating Drive in Male Drosophila melanogaster
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Recoverable lethal mutation in Drosophila sperm

K G LUNING, H O HENRIKSSON

    Nature
    |April 25, 1959
    PubMed
    Summary

    No abstract available in PubMed .

    Keywords:
    GENETICSSPERMATOZOA

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