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Excerpt from Evolution of Cellular Structures
Chromosome reduction brought about by synapsis, or the fusion of the chromatin elements, followed by two special nuclear divisions, is not, historically speaking, the beginning of the sexual process, but the end of it. Chromosome reduction stands in no special causal rela tion to the subsequent conjugation. The number of cell generations formed between synapsis and conjugation differs greatly in the various natural groups, and merely shows how far the organism still adheres to its old simple - celled life history. Fecundation and synapsis, as the beginning and the end of the sexual process, would seem to be directly comparable in all organisms which have developed a double-celled sexual phase.
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Paperback. Zustand: New. Print on Demand. This book presents a novel interpretation of biological evolution and the function of sex, challenging the notion of species evolving along a single, narrow line and introducing the idea of "symbasis:" the interbreeding of diverse groups of individuals traveling together along an evolutionary course. The author posits that organic perfection is achieved not through the development of an asexual generation, but through the lengthening of the sexual process itself. This theory places sexuality at the core of evolutionary progress, emphasizing its role in sustaining the strength and vitality of individual organisms and in driving the diversification of species. The book also explores the significance of cell structures, tracing their evolution from simple, single-celled organisms to the complex, double-celled structures found in higher plants and animals. An original and thought-provoking read, this book will fascinate anyone interested in the intricacies of evolution, genetics, and the fundamental nature of life itself. 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. print-on-demand item. Bestandsnummer des Verkäufers 9781527773363_0
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Zustand: New. KlappentextrnrnExcerpt from Evolution of Cellular StructuresChromosome reduction brought about by synapsis, or the fusion of the chromatin elements, followed by two special nuclear divisions, is not, historically speaking, the beginning . Bestandsnummer des Verkäufers 2149087743
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