Evolution by natural selection is a scientific law and not just a theory

The concept of evolution by natural selection was developed primarily by Darwin and Wallace in the 19th century as an explanation for the diversity and origin of complex organisms. They, however, did not have access to a mechanism of inheritance, which was needed for a proper understandin...

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Main Authors: Daniel J.M. Crouch, Walter F. Bodmer
Format: Article
Language:English
Published: Academia.edu Journals 2024-02-01
Series:Academia Biology
Online Access:https://www.academia.edu/114628118/Evolution_by_natural_selection_is_a_scientific_law_and_not_just_a_theory
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author Daniel J.M. Crouch
Walter F. Bodmer
author_facet Daniel J.M. Crouch
Walter F. Bodmer
author_sort Daniel J.M. Crouch
collection DOAJ
description The concept of evolution by natural selection was developed primarily by Darwin and Wallace in the 19th century as an explanation for the diversity and origin of complex organisms. They, however, did not have access to a mechanism of inheritance, which was needed for a proper understanding of how evolution by natural selection could work. Mendel’s discovery of the basic laws of inheritance in diploid sexual organisms enabled Fisher, Haldane, and Wright to provide a theoretical framework for understanding the selective process of evolution by natural selection. The developing knowledge of prokaryotic microorganisms and the discovery of DNA or RNA as the fundamental basis of inheritance in all living organisms, together with Mendel’s laws, now provide the four basic conditions for evolution by natural selection, namely reproduction that is stable, but allows for variation that can increase fitness in the broadest sense. These definitive conditions establish an exponential growth law for evolution by natural selection that applied initially for the longest period of time to the evolution of asexual clonal organisms, and through Mendel's laws, extends to bisexual multicellular organisms. It is mistaking evolution by natural selection to be a scientific theory rather than a law that has led to unnecessary disagreements over its fundamental validity and explanatory power.
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spelling doaj-art-356d60ef960d488093a4aef9e7431bdb2025-02-11T00:38:36ZengAcademia.edu JournalsAcademia Biology2837-40102024-02-012110.20935/AcadBiol6158Evolution by natural selection is a scientific law and not just a theoryDaniel J.M. Crouch0Walter F. Bodmer1Wellcome Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford, Oxford, OX3 7BN, United Kingdom.Department of Oncology, University of Oxford, Oxford, OX3 7DQ, United Kingdom. The concept of evolution by natural selection was developed primarily by Darwin and Wallace in the 19th century as an explanation for the diversity and origin of complex organisms. They, however, did not have access to a mechanism of inheritance, which was needed for a proper understanding of how evolution by natural selection could work. Mendel’s discovery of the basic laws of inheritance in diploid sexual organisms enabled Fisher, Haldane, and Wright to provide a theoretical framework for understanding the selective process of evolution by natural selection. The developing knowledge of prokaryotic microorganisms and the discovery of DNA or RNA as the fundamental basis of inheritance in all living organisms, together with Mendel’s laws, now provide the four basic conditions for evolution by natural selection, namely reproduction that is stable, but allows for variation that can increase fitness in the broadest sense. These definitive conditions establish an exponential growth law for evolution by natural selection that applied initially for the longest period of time to the evolution of asexual clonal organisms, and through Mendel's laws, extends to bisexual multicellular organisms. It is mistaking evolution by natural selection to be a scientific theory rather than a law that has led to unnecessary disagreements over its fundamental validity and explanatory power.https://www.academia.edu/114628118/Evolution_by_natural_selection_is_a_scientific_law_and_not_just_a_theory
spellingShingle Daniel J.M. Crouch
Walter F. Bodmer
Evolution by natural selection is a scientific law and not just a theory
Academia Biology
title Evolution by natural selection is a scientific law and not just a theory
title_full Evolution by natural selection is a scientific law and not just a theory
title_fullStr Evolution by natural selection is a scientific law and not just a theory
title_full_unstemmed Evolution by natural selection is a scientific law and not just a theory
title_short Evolution by natural selection is a scientific law and not just a theory
title_sort evolution by natural selection is a scientific law and not just a theory
url https://www.academia.edu/114628118/Evolution_by_natural_selection_is_a_scientific_law_and_not_just_a_theory
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