The experimental induction of gynogenesis in the mouse. I. Irradiation of the sperm by x-rays.

  • R. G. Edwards
  • Published 1957 in
    Proceedings of the Royal Society of London…


Sperm of the mouse, M us musculus, was X-irradiated in vitro before fertilization. Dosages were between 100 and 50 000 r. With increasing irradiation of the sperm, the chromosome complement of embryos, scored at 3ijr days’ gestation, declined from diploid to haploid. Higher dosages increasingly retarded embryonic development, 30000 and 50 000r restricting… (More)


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