Sex allocation: size matters for red spider mites

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Application of Two-spotted Spider Mite Tetranychus urticae for Plant-pest Interaction Studies
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Published on: July 4, 2014

Duncan E Jackson1, Stephen J Martin

  • 1Department of Animal and Plant Sciences, University of Sheffield, Western Bank, Sheffield, S10 2TN, UK. drdejackson@yahoo.co.uk

Current Biology : CB
|December 22, 2010
PubMed

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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.  
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