Hybridization in human evolution: Insights from other organisms.
Rebecca Rogers Ackermann,Michael L. Arnold,Marcella D. Baiz,James A. Cahill,Liliana Cortés-Ortiz,Ben J. Evans,B. Rosemary Grant,Peter R. Grant,Benedikt Hallgrímsson,Robyn A. Humphreys,Clifford J. Jolly,Joanna Malukiewicz,Joanna Malukiewicz,Christopher J. Percival,Christopher J. Percival,Terrence B. Ritzman,Christian Roos,Charles C. Roseman,Lauren Schroeder,Lauren Schroeder,Fred H. Smith,Kerryn A. Warren,Robert K. Wayne,Dietmar Zinner +23 more
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TLDR
A range of examples relevant to questions about the evolution of hominins are presented, highlighting potential drivers of human evolution in the context of hybridization including: influences on adaptive evolution, climate change, developmental systems, sex‐differences in behavior, Haldane's rule and the large X‐effect, and transgressive phenotypic variation.Abstract:
During the late Pleistocene, isolated lineages of hominins exchanged genes thus influencing genomic variation in humans in both the past and present. However, the dynamics of this genetic exchange and associated phenotypic consequences through time remain poorly understood. Gene exchange across divergent lineages can result in myriad outcomes arising from these dynamics and the environmental conditions under which it occurs. Here we draw from our collective research across various organisms, illustrating some of the ways in which gene exchange can structure genomic/phenotypic diversity within/among species. We present a range of examples relevant to questions about the evolution of hominins. These examples are not meant to be exhaustive, but rather illustrative of the diverse evolutionary causes/consequences of hybridization, highlighting potential drivers of human evolution in the context of hybridization including: influences on adaptive evolution, climate change, developmental systems, sex-differences in behavior, Haldane’s rule and the large X-effect, and transgressive phenotypic variation.read more
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Insights into the evolution of social systems and species from baboon studies
Julia Fischer,Julia Fischer,James P. Higham,Susan C. Alberts,Susan C. Alberts,Louise Barrett,Louise Barrett,Jacinta C. Beehner,Thore J. Bergman,Alecia J. Carter,Anthony Collins,Sarah Elton,Joël Fagot,Joël Fagot,Maria Joana Ferreira da Silva,Maria Joana Ferreira da Silva,Maria Joana Ferreira da Silva,Kurt Hammerschmidt,Peter Henzi,Clifford J. Jolly,Sascha Knauf,Sascha Knauf,Gisela H. Kopp,Jeffrey Rogers,Jeffrey Rogers,Christian Roos,Caroline Ross,Robert M. Seyfarth,Joan B. Silk,Noah Snyder-Mackler,Veronika Staedele,Veronika Staedele,Larissa Swedell,Larissa Swedell,Michael L. Wilson,Dietmar Zinner +35 more
TL;DR: It is suggested that baboons can serve as a valuable model for complex evolutionary processes, such as speciation and hybridization, similar to the processes that acted during human evolution.
Journal ArticleDOI
Evolving Human Brains: Paleoneurology and the Fate of Middle Pleistocene
TL;DR: In the evolutionary radiation of the human genus, we have observed changes in both brain size and proportions as discussed by the authors, and some of these morphological differences are associated with functional variations, in physiological or cognitive aspects, while some others are the secondary results of cortical or cranial structural constraints.
Journal ArticleDOI
Species, species concepts, and primate evolution
TL;DR: The editors' goal for the book was to demonstrate that many of the debates in primate evolutionary biology today are not resolvable simply by adding new data to the stockpile.
Journal ArticleDOI
Relevance of the eastern African coastal forest for early hominin biogeography.
Josephine C.A. Joordens,Josephine C.A. Joordens,Josephine C.A. Joordens,Craig S. Feibel,Hubert B. Vonhof,Anne S. Schulp,Anne S. Schulp,Dick Kroon +7 more
TL;DR: The coastal refuge hypothesis is proposed: the CFEA provided a refugium for early hominins in periods of variable climate and strong seasonality during eccentricity maxima, emphasizing the role of climatic stability, length of dry season and vegetation cover to facilitate connectivity between hominin core and marginal habitats.
Journal ArticleDOI
Philopatry at the frontier: A demographically driven scenario for the evolution of multilevel societies in baboons (Papio).
TL;DR: It is suggested that male philopatry as a population norm was not an adaptation to a particular habitat or set of ecological circumstances but evolved in the common ancestor of hamadryas and Guinea baboons as a response to natural selection in the demographic context peculiar to the frontier of a rapidly expanding population.
References
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A Draft Sequence of the Neandertal Genome
Richard E. Green,Johannes Krause,Adrian W. Briggs,Tomislav Maricic,Udo Stenzel,Martin Kircher,Nick Patterson,Heng Li,Weiwei Zhai,Markus Hsi-Yang Fritz,Nancy F. Hansen,Eric Durand,Anna-Sapfo Malaspinas,Jeffrey D. Jensen,Tomas Marques-Bonet,Tomas Marques-Bonet,Can Alkan,Kay Prüfer,Matthias Meyer,Hernán A. Burbano,Jeffrey M. Good,Jeffrey M. Good,Rigo Schultz,Ayinuer Aximu-Petri,Anne Butthof,Barbara Höber,Barbara Höffner,Madien Siegemund,Antje Weihmann,Chad Nusbaum,Eric S. Lander,Carsten Russ,Nathaniel Novod,Jason P. Affourtit,Michael Egholm,Christine Verna,Pavao Rudan,Dejana Brajković,Željko Kućan,Ivan Gušić,Vladimir B. Doronichev,Liubov V. Golovanova,Carles Lalueza-Fox,Marco de la Rasilla,Javier Fortea,Antonio Rosas,Ralf Schmitz,Philip L. F. Johnson,Evan E. Eichler,Daniel Falush,Ewan Birney,James C. Mullikin,Montgomery Slatkin,Rasmus Nielsen,Janet Kelso,Michael Lachmann,David Reich,David Reich,Svante Pääbo +58 more
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