Abstract
The sex ratio of CBA mouse embryos was studied on the 10th and 18th days of development in order to discover any connection between the sex of the embryos and their mortality. The spontaneous embryonic mortality rate was found to increase until the 18th day of development; however, the rate was unconnected with the sex of the embryos and the distribution of embryos by sex at different stages of embryogenesis did not deviate from 1∶1.
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Udalova, L.D. Sex ratio in mouse embryos in the postimplantation period of development. Bull Exp Biol Med 81, 262–264 (1976). https://doi.org/10.1007/BF00801091
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DOI: https://doi.org/10.1007/BF00801091