Abstract
DIPLOID spermatozoa have been found in mouse, rabbit, bull (reviewed by Beatty1) and man2,3. In the rabbit they form 0.03% of the total sperm and in the bull 0.1% to 0.17%, but the incidence in man is not known. Because such sperm could well be involved in the formation of triploid embryos, which are almost invariably aborted in man4, knowledge of their frequency would be of interest.
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References
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SUMNER, A. Frequency of Polyploid Spermatozoa in Man. Nature 231, 49 (1971). https://doi.org/10.1038/231049a0
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DOI: https://doi.org/10.1038/231049a0
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