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Measuring and Altering Mating Drive in Male Drosophila melanogaster
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Measuring and Altering Mating Drive in Male Drosophila melanogaster

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[Sex control of Drosophila melanogaster]

Hui-Chao Wang1, Yong Zhu, Qing-You Xia

  • 1Southwest Agricultural University, Key Laboratory of Sericluture of the Agricultural Ministry of China, Chongqing 400716, China. huichaow@yahoo.com.cn

Yi Chuan = Hereditas
|January 11, 2005
PubMed

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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...