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The Evolution Theory, Vol. 1 of 2

Chapter 1: THE EVOLUTION THEORY
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About This Book

A series of university lectures presents a unified account of heredity and its place in evolution, proposing a continuous germ-plasm made of discrete hereditary determinants aggregated into higher units and arguing that selection operates on these germinal elements rather than by acquired, Lamarckian transmission. The work reviews cellular and reproductive discoveries—chromosomes, mitosis and the centrosome, fertilization, and gametic maturation—to explain reduction during gametogenesis and the mixing of hereditary material. It develops the idea of germinal selection complementing natural selection and assembles empirical and theoretical arguments into a synthetic, accessible presentation for scientifically informed readers.

The Project Gutenberg eBook of The Evolution Theory, Vol. 1 of 2

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Title: The Evolution Theory, Vol. 1 of 2

Author: August Weismann

Translator: J. Arthur Thomson

Margaret R. Thomson

Release date: January 6, 2021 [eBook #64227]
Most recently updated: October 18, 2024

Language: English

Credits: Constanze Hofmann, Alan, Marilynda Fraser-Cunliffe and the Online Distributed Proofreading Team at https://www.pgdp.net (This book was produced from images made available by the HathiTrust Digital Library and The Internet Archive.)

*** START OF THE PROJECT GUTENBERG EBOOK THE EVOLUTION THEORY, VOL. 1 OF 2 ***

THE
EVOLUTION THEORY

VOLUME I

THE
EVOLUTION THEORY

BY

Dr. AUGUST WEISMANN

PROFESSOR OF ZOOLOGY IN THE UNIVERSITY OF FREIBURG IN BREISGAU

TRANSLATED WITH THE AUTHOR'S CO-OPERATION

BY

J. ARTHUR THOMSON

REGIUS PROFESSOR OF NATURAL HISTORY IN THE UNIVERSITY OF ABERDEEN

AND

MARGARET R. THOMSON

ILLUSTRATED

IN TWO VOLUMES

VOL. I

LONDON
EDWARD ARNOLD

41 & 43 MADDOX STREET, BOND STREET, W.

1904

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