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Differences in response of irradiated eggs and spermatozoa ofHabrobracon to anoxia

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Summary

A study of dominant and recessive lethal and visible mutations induced in eggs and in spermatozoa ofHabrobracon by X-rays in atmospheres of air and of nitrogen demonstrates, that in nitrogen,

  1. (a)

    For eggs in metaphase I and in prophase I and for spermatozoa, all types of mutations are reduced.

  2. (b)

    For eggs in both stages, response of dominant and recessive lethal mutations is greater than for spermatozoa.

  3. (c)

    For eggs in metaphase I, dominant lethal mutations, apparently associated with iso chromatid breakage and lateral sister union, and with tension, conditions which prevent restitution, decrease in the same ratio as do recessive lethal and visible mutations.

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Author information

Authors and Affiliations

  1. Biology Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee

    Anna R Whiting

  2. Department of Zoology, University of Pennsylvania, Philadelphia, Pennsylvania

    W. E. Murphy

Authors
  1. Anna R Whiting
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  2. W. E. Murphy
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Additional information

This investigation was supported by a research grant PHS C-741 (C4) from the National Cancer Institute of The National Institutes of Health, U.S. Public Health Service, and a grant from the Phi Beta Psi Sorority to the senior author. That part of the work done at Oak Ridge was performed under Contract No. W-7405-eng-26 for the Atomic Energy Commission, Able assistance was given by Miss Alla Gnade and Miss Priscilla Kao.

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Whiting, A.R., Murphy, W.E. Differences in response of irradiated eggs and spermatozoa ofHabrobracon to anoxia. J Genet 54, 297–303 (1956). https://doi.org/10.1007/BF02982784

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  • DOI: https://doi.org/10.1007/BF02982784

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