Evaluating the "dual selection" hypothesis of canine reduction.

abstract：:The wild bonobos (Pan paniscus) of Wamba, Zaire have an extremely high frequency of external abnormal traits. Out of 96 animals in a sample comprising all age and sex classes from two different natural groups, 46 individuals had at least one limb defect. The frequency of abnormalities was greater in males than in fema...

journal_title：American journal of physical anthropology

authors： Kano T

更新日期：1984-01-01 00:00:00

abstract：:Height and weight were compared across five birth decades (1850-1899) among 1,121 Harvard athletes who were lettermen in various sports. There were considerable differences in the magnitude of the secular trend among the sport categories (crew, baseball, football, track, ice hockey, and two or more sports). Comparing ...

journal_title：American journal of physical anthropology

authors： Polednak AP

更新日期：1975-05-01 00:00:00

abstract：:Two threshold models, a single locus model, and two combined models are fitted to data on familial incidence of bipolar affective disorder in 194 nuclear families ascertained through a bipolar proband. The relative fit of alternative transmission models is tested by a likelihood ratio chi-square with the degrees of fr...

journal_title：American journal of physical anthropology

authors： O'Rourke DH,McGuffin P,Reich T

更新日期：1983-09-01 00:00:00

abstract：:Latex rubber brain endocasts of solo I, V, VI, X, and XI crania were prepared in order to determine accurate volumes by H2O-displacement and morphological description. The new volumes are not markedly different from previous estimates that had been done by mensuration formulae. The mean volume is 1,151 ml. The endocas...

journal_title：American journal of physical anthropology

authors： Holloway RL

更新日期：1980-08-01 00:00:00

abstract：:A group of Taiwan aborigines, the Toroko, was typed for 21 classical genetic loci. This is part of an ongoing program aimed at a comprehensive study of Taiwan aborigines. In this first paper a short summary of historical, archeological, and anthropological data in the literature is made, and results of the present sur...

journal_title：American journal of physical anthropology

authors： Chen KH,Cann H,Chen TC,Van West B,Cavalli-Sforza L

更新日期：1985-03-01 00:00:00

abstract：:Fluctuating asymmetry (FA) is thought to increase as a result of environmental perturbations during development. A number of studies involving measures of health and developmental stability other than FA have discussed the presumed increased buffering in females relative to males. But, there is little evidence in the ...

journal_title：American journal of physical anthropology

authors： Ozener B

更新日期：2010-10-01 00:00:00

abstract：:Artificial reshaping of the cranial vault has been practiced by many human groups and provides a natural experiment in which the relationships of neurocranial, cranial base, and facial growth can be investigated. We test the hypothesis that fronto-occipital artificial reshaping of the neurocranial vault results in spe...

journal_title：American journal of physical anthropology

authors： Cheverud JM,Kohn LA,Konigsberg LW,Leigh SR

更新日期：1992-07-01 00:00:00

abstract：:Life history theory predicts a trade-off between immunostimulation and growth. Using a cross-sectional study design, this study aims to test the hypothesis that C-reactive protein (CRP) is negatively associated with height-for-age z-scores (HAZ scores) and BMI-for-age z-scores (BAZ scores) among 6- to 19-year olds (N ...

journal_title：American journal of physical anthropology

authors： Konishi S,Parajuli RP,Takane E,Maharjan M,Tachibana K,Jiang HW,Pahari K,Inoue Y,Umezaki M,Watanabe C

更新日期：2014-05-01 00:00:00

abstract：:Proportions of marine vs. terrestrial resources in prehistoric human diets in the southern Mariana Islands (Guam, Rota, Saipan), Micronesia, have been estimated by analysis of stable isotope ratios of carbon and nitrogen in bone collagen and of carbon in apatite. The isotopic composition of marine and terrestrial food...

journal_title：American journal of physical anthropology

authors： Ambrose SH,Butler BM,Hanson DB,Hunter-Anderson RL,Krueger HW

更新日期：1997-11-01 00:00:00

abstract：:A survey was conducted of 324 members of the Cajun isolate of Southern Alabama. Tradition and appearance suggest that this population of about 3,000 are not entirely White, Black, or Indian but constitute a triracial community somewhat reproductively isolated and inbred. The earliest American settlement in the area, a...

journal_title：American journal of physical anthropology

authors： Pollitzer WS,Namboodiri KK,Coleman WH,Finley WH,Leyshon WC,Jennings GC,Brown WH

更新日期：1977-07-01 00:00:00

abstract：:It is well documented in the anthropological literature that the distinctive morphology of the "robust" hominid facial skeleton reflects its dietary specialization. Rak (1983) has provided the most comprehensive evaluation of Paranthropus facial morphology and this important study concluded that bone strain generated ...

journal_title：American journal of physical anthropology

authors： McCollum MA

更新日期：1994-02-01 00:00:00

abstract：:We analysed the frequency of six Y-specific polymorphisms in 105 Amerindian males from seven different populations, 42 Caucasian males, and a small number of males of African, Chinese, and Melanesian origin. The combination of three of the six polymorphisms studied produced four different Y-haplogroups. The haplogroup...

journal_title：American journal of physical anthropology

authors： Bianchi NO,Bailliet G,Bravi CM,Carnese RF,Rothhammer F,Martínez-Marignac VL,Pena SD

更新日期：1997-01-01 00:00:00

abstract：:Bilateral correlations are higher and bilateral variances within individuals smaller in the samples of inbred individuals than in matched control groups of the same sex for pattern intensities on fingers in four series of data and also for pattern intensities on palms, toes, and soles and the palmer main line indices ...

journal_title：American journal of physical anthropology

authors： Mukherjee A

更新日期：1990-01-01 00:00:00

abstract：:Recent research shows that a bacterial life form, Erysipelothrix insidiosa, can produce rheumatoid arthritis in deer, swine, and dogs, and that a number of animals, including man, birds, and fish, may be infected by the organism. Examination of the archaeological record suggests that both cultural and biological varia...

journal_title：American journal of physical anthropology

authors： Hudson C,Butler R,Sikes D

更新日期：1975-07-01 00:00:00

abstract：:The premise that bones grow and remodel throughout life to adapt to their mechanical environment is often called Wolff's law. Wolff's law, however, is not always true, and in fact comprises a variety of different processes that are best considered separately. Here we review the molecular and physiological mechanisms b...

journal_title：American journal of physical anthropology

authors： Pearson OM,Lieberman DE

更新日期：2004-01-01 00:00:00

abstract：:The Egyptian Western Desert lies on an important geographic intersection between Africa and Asia. Genetic diversity of this region has been shaped, in part, by climatic changes in the Late Pleistocene and Holocene epochs marked by oscillating humid and arid periods. We present here a whole genome analysis of mitochond...

journal_title：American journal of physical anthropology

authors： Kujanová M,Pereira L,Fernandes V,Pereira JB,Cerný V

更新日期：2009-10-01 00:00:00

abstract：:With the development of computed tomography, soft tissues and foreign body collections are distinguished with remarkable resolution. This distinction is particularly useful when examining desiccated human remains, both in construction of research strategies and when invasive procedure (i.e., traditional autopsies, nee...

journal_title：American journal of physical anthropology

authors： Wong PA

更新日期：1981-05-01 00:00:00

abstract：:Adult males in social groups often compete with other male group members for access to adult females. In some primate species, males also seek mating opportunities in neighboring social groups. Such extra-group fertilizations (EGFs) provide an additional source of variation in male fitness. This additional component o...

journal_title：American journal of physical anthropology

authors： Lawler RR

更新日期：2007-02-01 00:00:00

abstract：:A new method for estimating adult age-at-death from the first rib was developed as a modification of the Kunos et al. (Am J Phys Anthropol 110 (1999) 303-323) method. Data were collected on three aspects of the first rib (costal face, rib head, and tubercle facet) for 470 known-age males of Balkan ancestry collected a...

journal_title：American journal of physical anthropology

authors： DiGangi EA,Bethard JD,Kimmerle EH,Konigsberg LW

更新日期：2009-02-01 00:00:00

abstract：:It has been generally assumed and theoretically argued that the curvature of finger and toe bones seen in some nonhuman primates is associated with cheiridial use in an arboreal setting. Assessment of such curvature in fossil primates has been used to infer the positional behavior of these animals. Several methods of ...

journal_title：American journal of physical anthropology

authors： Stern JT Jr,Jungers WL,Susman RL

更新日期：1995-05-01 00:00:00

abstract：OBJECTIVES:Many studies on subadult sex estimation focus on elements that express sexually dimorphic features in adults. In contrast, diaphyseal dimensions have been shown to display sex-specific differences prior to adolescence. The current study evaluates the use of diaphyseal dimensions in subadult sex estimation. ...

journal_title：American journal of physical anthropology

authors： Stull KE,L'Abbé EN,Ousley SD

更新日期：2017-05-01 00:00:00

abstract：:Studies of the impact of post-marital residence patterns on the distribution of genetic variation within populations have returned conflicting results. These studies have generally examined genetic diversity within and between groups with different post-marriage residence patterns. Here, we directly examine Y chromoso...

journal_title：American journal of physical anthropology

authors： Raaum RL,Al-Meeri A,Mulligan CJ

更新日期：2013-04-01 00:00:00

abstract：:Several investigators have questioned the significance of handedness as an explanation of directional forelimb asymmetries, yet little has been done to isolate other explanatory factors. In this investigation, we analyze 61 female and 76 male rhesus macaque skeletons for evidence of age- and/or sex-associated variatio...

journal_title：American journal of physical anthropology

authors： Helmkamp RC,Falk D

更新日期：1990-10-01 00:00:00

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 heritabili...

journal_title：American journal of physical anthropology

authors： Hardin AM

更新日期：2019-02-01 00:00:00

abstract：:We examine the demographic correlates of paternity confidence, or men's assessment of the likelihood that they are the genetic father of a particular child. Evolutionary theory predicts that men will provide less parental investment for putative genetic offspring who are unlikely to be their actual offspring, but conf...

journal_title：American journal of physical anthropology

authors： Anderson KG,Kaplan H,Lancaster JB

更新日期：2006-12-01 00:00:00

abstract：:A new genus and species of notharctine primate, Hesperolemur actius, is described from Uintan (middle Eocene) aged rocks of San Diego County, California. Hesperolemur differs from all previously described adapiforms in having the anterior third of the ectotympanic anulus fused to the internal lateral wall of the audit...

journal_title：American journal of physical anthropology

authors： Gunnell GF

更新日期：1995-12-01 00:00:00

abstract：:The new optical device Lipometer allows noninvasive, quick, and safe determination of the thickness of subcutaneous adipose tissue (SAT) layers (in mm) at any site of the human body. The specification of 15 evenly distributed body sites enables the precise measurement of subcutaneous body fat distribution, so-called s...

journal_title：American journal of physical anthropology

authors： Tafeit E,Möller R,Sudi K,Horejsi R,Berg A,Reibnegger G

更新日期：2001-05-01 00:00:00

abstract：:The crown morphology of 202 dental casts from living Lengua Indians is described and compared with other Amerind, Melanesian, and Caucasoid samples. The Lengua dentition shows a high Mongoloid component with little effects of possible European admixture, thus supporting the theory that despite early Franciscan and Jes...

journal_title：American journal of physical anthropology

authors： Kieser JA,Preston CB

更新日期：1981-08-01 00:00:00

abstract：OBJECTIVES:High-resolution imaging of fossils with X-ray computed microtomography (μCT) has become a very powerful tool in paleontological research. However, fossilized bone, embedding matrix, and dental tissues do not always provide a distinct structural signal with X-rays. We demonstrate the benefits of high-resoluti...

journal_title：American journal of physical anthropology

authors： Urciuoli A,Zanolli C,Fortuny J,Almécija S,Schillinger B,Moyà-Solà S,Alba DM

更新日期：2018-08-01 00:00:00

abstract：OBJECTIVES:Riparian or gallery forests are critical habitats for numerous plants and animals today. Paleoanthropologically, reliance on such habitats informs behavioral and ecological reconstructions; for example, gallery forest habitats likely played a critical role in the transition from ape to hominin in the early P...

journal_title：American journal of physical anthropology

authors： Hamilton M,Nelson SV,Fernandez DP,Hunt KD

更新日期：2019-12-01 00:00:00