An Interactive Annotated World Bibliography of Printed and Digital Works in the History of Medicine and the Life Sciences from Circa 2000 BCE to 2024 by Fielding H. Garrison (1870-1935), Leslie T. Morton (1907-2004), and Jeremy M. Norman (1945- ) Traditionally Known as “Garrison-Morton”
16061 entries, 14144 authors and 1947 subjects. Updated: December 10, 2024
Permanent Link for Entry #1596
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Untersuchungen über den ersten Entwicklungsvorgänge in den Eiern der Insekten. II. Ueber Spermatogenese und deren Beziehung zur Eientwicklung bei Pyrrhocoris apterus.L. Z. wiss. Zool., 51, 685-736, 1891.In his study of the testicles of the firebug (Pyrrhocoris) Henking noticed that one chromosome did not take part in meiosis. He named this X element because its strange behavior made him unsure whether it was genuinely a chromosome. After it was established that the "X element" was indeed a chromosome it became known as the X chromosome. Subjects: BIOLOGY › Reproduction, EMBRYOLOGY Permalink: historyofmedicineandbiology.com/id/1596 |