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Two separated nucleolus organizers on theDrosophila hydei Y chromosome


By genetical, cytological, and filter saturation hybridization methods it is shown that the Y chromosome ofDrosophila hydei contains two separate nucleolus organizers, one on the short arm, the second near the tip of the long arm.

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Communicated by E. Hadorn

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Schäfer, U., Kunz, W. Two separated nucleolus organizers on theDrosophila hydei Y chromosome. Molec. Gen. Genet. 137, 365–368 (1975).

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  • Hybridization Method
  • Nucleolus Organizer
  • Filter Saturation
  • Saturation Hybridization