
The Biological Problem of To-day: Preformation Or Epigenesis?
The Basis of a Theory of Organic DevelopmentBy Oscar HertwigLength3h 31m
About this audiobook
In "The Biological Problem of To-day: Preformation Or Epigenesis?", Oscar Hertwig delves into the contentious debate surrounding embryological development, contrasting the theories of preformation and epigenesis. Through a rigorous examination of contemporary biological thought, Hertwig weaves a complex narrative that not only explicates the mechanisms of development but also engages with the philosophical implications of each theory. His literary style merges empirical observation with a philosophical inquiry, making the work a seminal text in the intersection of biology and philosophy during the late 19th century. This period was marked by significant advances in microscopy and genetics, which Hertwig adeptly integrates into his arguments. Oscar Hertwig, a prominent biologist and embryologist in his time, was influenced by the progressive scientific discoveries of his era, such as Darwin'Äôs theories of evolution and the burgeoning field of cytology. His extensive academic background and research in marine invertebrates provided a foundation for his explorations into the mechanisms of development. Hertwig's writings reflect a profound engagement with not only biological texts but also the broader epistemological questions that contextualize biological research and its implications. This book is a crucial read for scholars and students of biology, philosophy, and history of science. Hertwig'Äôs insights offer a compelling framework for understanding the evolution of biological thought and the ongoing relevance of the preformation versus epigenesis debate. Engaging and informative, it provides contemporary readers with a lens to reflect on the foundations of modern developmental biology.
Audiobook details
GenreScience and Nature
Length3 hrs 31 mins
Narrated byListen with 1,000+ voices
FormateBook with Audio
Publish dateDec 13, 2019
LanguageEnglish
Table of contents
1PART I.
9FIFTH GROUP OF FACTS.—PHENOMENA OF VEGETATIVE AFFINITY.[16]
2WEISMANN'S THEORY OF THE GERMPLASM AND DOCTRINE OF DETERMINANTS.
10SUMMARY OF THE CONCLUSIONS IN THE FIRST SECTION.
3Criticism of the Germplasm Theory.[8]
11II. ARGUMENTS AGAINST THE DOCTRINE OF DETERMINANTS.
4I. Objections to the Hypothesis of Differentiating Division.
12FOOTNOTES:
5FIRST GROUP OF FACTS.—UNICELLULAR ORGANISMS.
13PART II.
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6SECOND GROUP OF FACTS.—THE LOWER MULTI-CELLULAR ORGANISMS.
14THOUGHTS TOWARDS A THEORY OF THE DEVELOPMENT OF ORGANISMS.[17]
7THIRD GROUP OF FACTS.—THE PHENOMENA OF REPRODUCTION AND REGENERATION IN PLANTS AND ANIMALS.
15FOOTNOTES:
8FOURTH GROUP OF FACTS.—THE PHENOMENA OF HETEROMORPHOSIS.[12]
16INDEX AND GLOSSARY: THE END.