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  Comparison of cranial ontogenetic trajectories among great apes and humans

Mitteroecker, P., Gunz, P., Bernhard, M., Schaefer, K., & Bookstein, F. L. (2004). Comparison of cranial ontogenetic trajectories among great apes and humans. Journal of Human Evolution, 46(6), 679-698. doi:10.1016/j.jhevol.2004.03.006.

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資料種別: 学術論文

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 作成者:
Mitteroecker, Philipp, 著者
Gunz, Philipp1, 著者                 
Bernhard, Markus, 著者
Schaefer, Katrin, 著者
Bookstein, Fred L., 著者
所属:
1External Organizations, ou_persistent22              

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キーワード: Allometry, Cranial morphology, Geometric morphometrics, Heterochrony, Hominid evolution, Ontogenetic divergence, Size–shape space
 要旨: Molecular data suggest that humans are more closely related to chimpanzees than either is to the gorillas, yet one finds the closest similarity in craniofacial morphology to be among the great apes to the exclusion of humans. To clarify how and when these differences arise in ontogeny, we studied ontogenetic trajectories for Homo sapiens, Pan paniscus, Pan troglodytes, Gorilla gorilla and Pongo pygmaeus. A total of 96 traditional three-dimensional landmarks and semilandmarks on the face and cranial base were collected on 268 adult and sub-adult crania for a geometric morphometric analysis. The ontogenetic trajectories are compared by various techniques, including a new method, relative warps in size–shape space. We find that adult Homo sapiens specimens are clearly separated from the great apes in shape space and size–shape space. Around birth, Homo sapiens infants are already markedly different from the great apes, which overlap at this age but diverge among themselves postnatally. The results suggest that the small genetic differences between Homo and Pan affect early human ontogeny to induce the distinct adult human craniofacial morphology. Pure heterochrony does not sufficiently explain the human craniofacial morphology nor the differences among the African apes.

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言語: eng - English
 日付: 2004-05-052004-06
 出版の状態: 出版
 ページ: -
 出版情報: -
 目次: -
 査読: 査読あり
 識別子(DOI, ISBNなど): DOI: 10.1016/j.jhevol.2004.03.006
 学位: -

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出版物名: Journal of Human Evolution
  出版物の別名 : Journal of Human Evolution
種別: 学術雑誌
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出版社, 出版地: -
ページ: - 巻号: 46 (6) 通巻号: - 開始・終了ページ: 679 - 698 識別子(ISBN, ISSN, DOIなど): ISSN: 0047-2484