Roffé, Ariel Jonathan (2020) Dynamic Homology and Circularity in Cladistic Analysis. [Preprint]
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Abstract
In this article, I examine the issue of the alleged circularity in the determination of homologies within cladistic analysis. More specifically, I focus on the claims made by the proponents of the dynamic homology approach, regarding the distinction (sometimes made in the literature) between primary and secondary homology. This distinction is sometimes invoked to dissolve the circularity issue, by upholding that characters in a cladistic data matrix have to be only primarily homologous, and thus can be determined independently of phylogenetic hypotheses, by using the classical Owenian criteria (for morphological characters) or via multiple sequence alignment (for sequence data). However, since in the dynamic approach, sequence data can be analyzed without being pre-aligned, proponents have claimed that the distinction between primary and secondary homology has no place within cladistics. I will argue that this is not the case, since cladistic practice within the dynamic framework does presuppose primary homology statements at a higher level.
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| Item Type: | Preprint | ||||||
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| Additional Information: | Preprint version. Article forthcoming in Biology & Philosophy | ||||||
| Keywords: | Homology; Circularity; Cladistics; Dynamic Homology; Multiple Sequence Alignment; Direct Optimization | ||||||
| Subjects: | Specific Sciences > Biology Specific Sciences > Biology > Systematics |
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| Depositing User: | Mr. Ariel Jonathan Roffé | ||||||
| Date Deposited: | 15 Jan 2020 05:34 | ||||||
| Last Modified: | 15 Jan 2020 05:34 | ||||||
| Item ID: | 16822 | ||||||
| Subjects: | Specific Sciences > Biology Specific Sciences > Biology > Systematics |
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| Date: | January 2020 | ||||||
| URI: | https://philsci-archive.pitt.edu/id/eprint/16822 |
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Dynamic Homology and Circularity in Cladistic Analysis. (deposited 14 Jan 2020 02:09)
- Dynamic Homology and Circularity in Cladistic Analysis. (deposited 15 Jan 2020 05:34) [Currently Displayed]
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