Titlebook: Landmarks in Developmental Biology 1883–1924; Historical Essays fr Klaus Sander Book 1997 Springer-Verlag Berlin Heidelberg 1997 Embryonic

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,The embryological œeuvre of Laurent Chabry, of investigations on .. To allow him to observe the egg of ., he invented the ., to which he then added a . for his experiments (see next Essay). His technical experience, backed up by his exceptional abilities, permitted him to elucidate developmental facts with the aid of appropriate instrumentation.

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,Lessons from a queen’s lost offspring—Theodor Boveri on honeybee gynanders and other genetic mosaicWhen it came to making his audience see a point, Theodor Boveri proved himself a master in the formulation of enlightening parallels. Take this one for instance, forging a link between the present Essay and the one before.

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True alternatives: Boveri and Morgan arguing about the origins of honeybee gynanders,The preceding Essay was devoted to conclusions on embryogenesis that Theodor Boveri drew from genetic mosaics, mainly the famous gynanders of Mr. Eugster’s honeybee hive. Here we shall return to the question of how gynandromorphism might come to be in the first place.

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978-3-642-64428-3Springer-Verlag Berlin Heidelberg 1997

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