Abstract
IN referring to Tanaka's work on silkworms I made (NATURE, November 6, p. 216) a mistake which should be corrected. His discovery was not that two characters linked in the male were not linked in the female, but that in a case of linkage common to both males and females it is only in the males that crossingover occurs. Since, on the analogy of Abraxas, the female is presumably in the silkworm the heterozygous sex, this observation is complementary to and consistent with Morgan's evidence that in Drosophila there is no crossing-over in the male, which in that animal is heterozygous in the sex-character. The paper is in Journ. Coll. Agr., Tohoku Imp. Univ., vii., 1916, pt. 3. Also the forms found by Patterson associated with males and females should have been called “asexual”, not “inter-sexes”.
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BATESON, W. Linkage in the Silkworm: a Correction. Nature 104, 315 (1919). https://doi.org/10.1038/104315c0
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DOI: https://doi.org/10.1038/104315c0
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