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Chiasma formation in spermatocytes and oocytes of the turbellarianDendrocoelum lacteum

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Summary

In the turbellarianDendrocoelum lacteum more chiasmata are formed in oocytes than in spermatocytes. Mean chiasma frequency per spermatocyte in six individuals ranges from 9·3±0·6 to 13·0±0·3; the range in oocytes is from 17·0±0·6 to 22·0±0·6. The mean chiasma frequencies in oocytes and spermatocytes of single individuals show strong positive correlation.

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Authors and Affiliations

  1. Centro de Investigaciones Zoológicas, Museo de Ciencias Naturales, Madrid, Spain

    Julia Borragán Pastor

  2. Animal Breeding and Genetics Research Organization, Institute of Animal Genetics, Edinburgh

    H. G. Callan

Authors
  1. Julia Borragán Pastor
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  2. H. G. Callan
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Pastor, J.B., Callan, H.G. Chiasma formation in spermatocytes and oocytes of the turbellarianDendrocoelum lacteum . Journ. of Genetics 50, 449–454 (1952). https://doi.org/10.1007/BF02986840

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  • DOI: https://doi.org/10.1007/BF02986840

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