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Evolutionary and classical concepts of homology: A reply to Aboitiz

Evolutionary and classical concepts of homology: A reply to Aboitiz Acta Biotheretica 37: 315-319, 1988. © 1988 Kluwer Academic Publishers. Printed in the Netherlands. IDEAS IN THEORETICAL BIOLOGY EVOLUTIONARY AND CLASSICAL CONCEPTS OF HOMOLOGY: A REPLY TO ABOITIZ MARK WILKINSON Aboitiz (1988) proposed a return to pre-Darwinian concepts of homology. The main points raised by this author can be summarized as follows. I. A distinction can be drawn between the modern evolutio- nary concept of homology, indicating a common evolutionary origin of morphological traits, genes or proteins and pre- Darwinian concepts of homology (here termed 'classical homology') indicating a common embryonic origin or set of topographical relations shared by morphological traits. 2. Criteria of classical homology are empirically testable. 3. Classical homologies are very useful for the "elucida- tion of taxonomies". 4. The evolutionary concept of homology is not a criterion for classification. This kind of homology is established after taxonomies are "elucidated". The evolutionary concept is thus "not very practical in phylogenetic classification". 5. There is no expression representing the concept of 'classical homology' because two structures conforming to the classical criteria would not constitute homologies in the evolutionary sense if they arose independently. 6. The classical homology concept is not applicable to molecular biology. 316 7. There http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta Biotheoretica Springer Journals

Evolutionary and classical concepts of homology: A reply to Aboitiz

Wilkinson, Mark
Acta Biotheoretica , Volume 37 (4) – Jun 22, 2004
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Publisher
Springer Journals
Copyright
Copyright
Subject
Philosophy; Philosophy of Biology; Evolutionary Biology
ISSN
0001-5342
eISSN
1572-8358
DOI
10.1007/BF00154139
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Abstract

Acta Biotheretica 37: 315-319, 1988. © 1988 Kluwer Academic Publishers. Printed in the Netherlands. IDEAS IN THEORETICAL BIOLOGY EVOLUTIONARY AND CLASSICAL CONCEPTS OF HOMOLOGY: A REPLY TO ABOITIZ MARK WILKINSON Aboitiz (1988) proposed a return to pre-Darwinian concepts of homology. The main points raised by this author can be summarized as follows. I. A distinction can be drawn between the modern evolutio- nary concept of homology, indicating a common evolutionary origin of morphological traits, genes or proteins and pre- Darwinian concepts of homology (here termed 'classical homology') indicating a common embryonic origin or set of topographical relations shared by morphological traits. 2. Criteria of classical homology are empirically testable. 3. Classical homologies are very useful for the "elucida- tion of taxonomies". 4. The evolutionary concept of homology is not a criterion for classification. This kind of homology is established after taxonomies are "elucidated". The evolutionary concept is thus "not very practical in phylogenetic classification". 5. There is no expression representing the concept of 'classical homology' because two structures conforming to the classical criteria would not constitute homologies in the evolutionary sense if they arose independently. 6. The classical homology concept is not applicable to molecular biology. 316 7. There

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Acta Biotheoretica – Springer Journals

Published: Jun 22, 2004

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