Abstract:
OBJECTIVES:The use of dental metrics in phylogenetic reconstructions of fossil primates assumes variation in tooth size is highly heritable. Quantitative genetic studies in humans and baboons have estimated high heritabilities for dental traits, providing a preliminary view of the variability of dental trait heritability in nonhuman primate species. To expand upon this view, the heritabilities and evolvabilities of linear dental dimensions are estimated in brown-mantled tamarins (Saguinus fuscicollis) and rhesus macaques (Macaca mulatta). MATERIALS AND METHODS:Quantitative genetic analyses were performed on linear dental dimensions collected from 302 brown-mantled tamarins and 364 rhesus macaques. Heritabilities were estimated in SOLAR using pedigrees from each population, and evolvabilities were calculated manually. RESULTS:Tamarin heritability estimates range from 0.19 to 0.99, and 25 of 26 tamarin estimates are significantly different from zero. Macaque heritability estimates range from 0.08 to 1.00, and 25 out of 28 estimates are significantly different from zero. DISCUSSION:Dental dimensions are highly heritable in captive brown-mantled tamarins and free-ranging rhesus macaques. The range of heritability estimates in these populations is broadly similar to those of baboons and humans. Evolvability tends to increase with heritability, although evolvability is high relative to heritability in some dimensions. Estimating evolvability helps to contextualize differences in heritability, and the observed relationship between evolvability and heritability in dental dimensions requires further investigation.
journal_name
Am J Phys Anthropoljournal_title
American journal of physical anthropologyauthors
Hardin AMdoi
10.1002/ajpa.23744subject
Has Abstractpub_date
2019-02-01 00:00:00pages
292-302issue
2eissn
0002-9483issn
1096-8644journal_volume
168pub_type
杂志文章abstract::Histomorphometric analysis of femoral and tibial diaphyseal fragments from seven Late Archaic and three Early Modern humans are compared with those of the Pecos, a pre-Columbian Native American population. The ten samples, from Broken Hill (EM-793), Shanidar 2, 3, 4, 5, and 6, Tabun 1, and Skhul 3, 6, and 7, provide a...
journal_title:American journal of physical anthropology
pub_type: 历史文章,杂志文章
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更新日期:1996-04-01 00:00:00
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journal_title:American journal of physical anthropology
pub_type: 历史文章,杂志文章
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更新日期:2019-08-01 00:00:00
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journal_title:American journal of physical anthropology
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更新日期:1995-04-01 00:00:00
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journal_title:American journal of physical anthropology
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更新日期:2016-10-01 00:00:00
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journal_title:American journal of physical anthropology
pub_type: 历史文章,杂志文章
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更新日期:2014-08-01 00:00:00
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journal_title:American journal of physical anthropology
pub_type: 历史文章,杂志文章
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更新日期:1977-01-01 00:00:00
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journal_title:American journal of physical anthropology
pub_type: 杂志文章
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更新日期:1976-11-01 00:00:00
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journal_title:American journal of physical anthropology
pub_type: 杂志文章
doi:10.1002/ajpa.1330520404
更新日期:1980-05-01 00:00:00
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journal_title:American journal of physical anthropology
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更新日期:1978-03-01 00:00:00
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更新日期:2003-07-01 00:00:00
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journal_title:American journal of physical anthropology
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更新日期:1999-04-01 00:00:00
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journal_title:American journal of physical anthropology
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更新日期:2006-06-01 00:00:00
abstract:BACKGROUND:The differences in trace element concentrations among 19 different bone elements procured from 10 archaeologically derived human skeletons have been investigated. The 10 individuals are dated archaeologically and some by radiocarbon dating to the medieval and post-medieval period, an interval from ca. AD 115...
journal_title:American journal of physical anthropology
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更新日期:2017-01-01 00:00:00
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journal_title:American journal of physical anthropology
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更新日期:1986-05-01 00:00:00
abstract::The impact that "Romanization" and the development of urban centers had on the health of the Romano-British population is little understood. A re-examination of the skeletal remains of 364 nonadults from the civitas capital at Roman Dorchester (Durnovaria) in Dorset was carried out to measure the health of the childre...
journal_title:American journal of physical anthropology
pub_type: 历史文章,杂志文章
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更新日期:2010-07-01 00:00:00
abstract::The approximal surfaces of premolars and molars of 376 adult British-Romano skulls were examined for wear facets. The type of wear was designated as convex, concave, sigmoid, or flat, and the degree was categorised on a three-point scale. Concave wear facets were more frequently seen in the older age groups, but the t...
journal_title:American journal of physical anthropology
pub_type: 历史文章,杂志文章
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更新日期:1987-07-01 00:00:00