• Biology, Medicine
  • Published in Genetics 1988

Y chromosome loops in Drosophila melanogaster.

@article{Bonaccorsi1988YCL,
  title={Y chromosome loops in Drosophila melanogaster.},
  author={Silvia Bonaccorsi and Claudio Pisano and F Puoti and Maurizio Gatti},
  journal={Genetics},
  year={1988},
  volume={120 4},
  pages={
          1015-34
        }
}
Primary spermatocyte nuclei of fixed testes of Drosophila melanogaster exhibit three large clusters of thread-like structures, each consisting of two long, continuous, loop-shaped filaments. No comparable intranuclear structures are observed in spermatogonia, secondary spermatocytes or spermatids. The threads begin to form in young spermatocytes, grow throughout spermatocyte development, reach their maximum size in mature spermatocytes and disintegrate prior to meiotic metaphase I. The presence… CONTINUE READING

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