The Biological Problem of to-Day (Classic Reprint)
Language: English
Published by Forgotten Books, 2018
- Softcover
- New
Seller: Forgotten Books, London, United KingdomForgotten Books
AbeBooks seller since June 2, 2021
Condition: New
US$ 19.52
Quantity: Over 20 available
Add to basketItem description from seller
Print on Demand. This book delves into the ongoing biological debate about whether organic development stems from preformation or epigenesis. The author, a distinguished scientist, presents a comprehensive analysis of a prominent theory of preformation, known as the germ-plasm theory. This theory posits that the fertilized egg cell contains all the hereditary information necessary for the development of an organism, and that this information is passed down through generations via a specialized substance called the germ-plasm. The author critically examines the germ-plasm theory, arguing that it fails to account for certain aspects of embryonic development. He puts forth an alternative theory based on the concept of epigenesis, which holds that the fertilized egg cell contains only a set of instructions for development and that the actual formation of the organism occurs through interactions with the environment. Through a series of experiments and observations, the author supports his epigenetic theory, challenging the long-held belief in preformation. This book offers a significant contribution to the field of developmental biology, providing new insights into the fundamental processes that shape the growth and evolution of living organisms. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book.…
Seller Inventory # 9780282556563_0
- Title
- The Biological Problem of to-Day (Classic Reprint)
- Author
- Oscar Hertwig
- Publisher
- Forgotten Books
- Publication year
- 2018
- Condition
- New
- Book Type
- print-on-demand item
- Binding
- Paperback
- Language
- English
- ISBN 10
- 0282556567
- ISBN 13
- 9780282556563
- Seller catalogs
- Biology
Exploring how development really forms life: epigenesis has the edge over preformation, and the book argues why.
This study surveys how organisms grow from egg to mature form, weighing the limits of visible traits against deeper, unseen factors. It gathers historical debate, describes key ideas like germplasm and determinants, and examines the evidence behind developmental theories and experiments.
In clear, accessible terms, the work maps core questions about how life develops: what parts of development are already present, what forces mold growth, and how early cells relate to later forms. It draws on experiments and concepts to explain why some theories seem limited and how modern ideas fit into a broader view of organic development.- Definitions of epigenesis and preformation, and what they claim about development
- Core ideas like germplasm, determinants, and the units of heredity
- Classic experiments and grafting studies that illuminate how tissues and organisms unite or fail to
- Connections between cell theory, differentiation, and the architecture of germplasm
"Synopsis" may belong to another edition of this title.
Forgotten Books
London, United Kingdom
AbeBooks seller since June 2, 2021
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Forgotten Books’ Classic Reprint Series utilizes the latest technology to regenerate facsimiles of historically important writings. Careful attention has been made to accurately preserve the original format of each page whilst digitally enhancing the quality of the aged text.
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FB &c Ltd
Dalton House, 60 Windsor Avenue
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