Excerpt from Evolution and Genetics
HE third reprinting Of the Vanuxem Lectures for 1915-16, entitled A Critique of the Theory of Evolution, having been exhausted, the publishers have asked for a revised edition. The revision is no less an attempt at a critique Of the evolution theory than its predecessor, but, as the change in title sug gests, greater attention is here paid to one Of the most debated questions among evolutionists today, namely, the bearing Of the recent discoveries in genetics and in mutation on the theory Of evolution. While in a general way Darwin's theory Of Natu ral Selection is independent Of the origin Of the new variations that furnish it with its materials, yet the scientific formulation Of the theory is intimately con nected with the origin and inheritance Of suitable vari ations. For instance, if most of the observed variabil ity Of animals and plants were due directly to the environment, and if the effects thus brought about were not inherited, such variability could no longer be appealed to as material for natural selection. Again, if the variations that appear as mutants are always defective types, they could not, even though they are inherited, be appealed to as furnishing ma terial for progressive evolution.
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Paperback. Condition: New. Print on Demand. This book explores the fascinating history of evolutionary theory, delving into the four main lines of speculation that have shaped our understanding of how life on Earth has changed over time. The author examines these theories within their historical context, tracing the development of ideas from the early 19th century to the early 20th century. The book delves into the impact of key figures such as Geoffroy St. Hilaire, Lamarck, Weismann, Nageli, and Darwin, providing a rich and detailed examination of their contributions and the debates they sparked. Beyond a historical exploration, this book also examines the evidence for evolution, looking at the insights provided by comparative anatomy, embryology, paleontology, and genetics. The author critically examines the validity of these arguments, including the often-cited biogenetic law, and discusses the ongoing questions surrounding the origin of new variations and the mechanisms of evolution. The book concludes with a discussion of human inheritance and its implications for understanding the evolution of our species. This book offers a compelling and thought-provoking exploration of the complex and ever-evolving nature of evolutionary theory. Forgotten Books publishes hundreds of thousands of rare and classic books. This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works. The digital edition of all books may be viewed on our website before purchase. print-on-demand item. Seller Inventory # 9781527705081_0
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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LW-9781527705081
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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LW-9781527705081
Quantity: 15 available