Volume 13 Issue 3
May  1992
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LING Fa-yao, SHI Li-ming. The Study of B Chromosomes In Drosophila albomicans 2.The Reiation Between B Chromosomes and The Vitality of Kunming Population. Zoological Research, 1992, 13(3): 271-275.
Citation: LING Fa-yao, SHI Li-ming. The Study of B Chromosomes In Drosophila albomicans 2.The Reiation Between B Chromosomes and The Vitality of Kunming Population. Zoological Research, 1992, 13(3): 271-275.

The Study of B Chromosomes In Drosophila albomicans 2.The Reiation Between B Chromosomes and The Vitality of Kunming Population

  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 1992-08-22
  • The relation between B chromosomes and the vitality of Drosophila albomicans were analysed.The results showed that B chromosomes of D.albomicans serves two regulated functions during growth and development proecss.Their characters showed that B chromosomes exist inkaryotype of isofemale line as unitary shape,1B or 2Bs,that stimulate the action of growth and incresase the vitality on the one hand,and multiple B chromosomes exist to form the karyotype polymorphism resulted in restrictive action for growth and development on the other hand.
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