Hybridization in human evolution: Insights from other organisms

Ackermann, Rebecca Rogers; Arnold, Michael L.; Baiz, Marcella D.; Cahill, James A.; Cortés‐Ortiz, Liliana; Evans, Ben; Grant, B. Rosemary; Grant, Peter R.; Hallgrímsson, Benedikt; Humphreys, Robyn; Jolly, Clifford J.; Malukiewicz, Joanna; Percival, Christopher J.; Ritzman, Terrence; Roos, Christian; Roseman, Charles C.; Schroeder, Lauren; Smith, Fred H.; Warren, Kerryn; Wayne, Robert K.; Zinner, Dietmar

doi:10.1002/evan.21787

Cited by 92 publications

(52 citation statements)

References 190 publications

(273 reference statements)

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“…Baboons naturally hybridize with viable and fertile offspring in hybrid zones between the six recognized lineages (Table S1, Supporting Information), despite morphological, behavioral, and phylogenetic differences (reviewed in detail elsewhere). The most well‐known and studied cases of hybrid zones are in Ethiopia for anubis and hamadryas and in Kenia for anubis and yellow baboons .…”

Section: Admixture In Primatesmentioning

confidence: 99%

“…The most well‐known and studied cases of hybrid zones are in Ethiopia for anubis and hamadryas and in Kenia for anubis and yellow baboons . Interestingly, hybrid phenotypes could be identified, providing a comparative angle for studying the impact of gene flow in hominins, and especially male hybrids seemed to have a reproductive advantage . Besides recent hybridization, records of past admixture show that baboons have been hybridizing for a considerable amount of time .…”

Section: Admixture In Primatesmentioning

confidence: 99%

“…There are numerous reports of interspecific gene flow among wolf‐like canids, perhaps unsurprising given the recent radiation of these populations and their overlapping geographic ranges (Table S2, Supporting Information). Several studies have pointed toward extensive gene flow between the closely related dog and grey wolf lineages, using modern and ancient genomes, and among North American canids, suggesting an origin of the red wolf as a hybrid between grey wolf and coyote .…”

Section: Admixture In Carnivoresmentioning

confidence: 99%

“…Beyond great apes, large captive populations of other primates, like baboons or macaques, offer the opportunity to relate genotypes to phenotypes in their respective branches. For example, the genetic and phenotypic data from captive baboons of a mixed colony of two species will be a valuable resource to study the immediate impact of hybridization .…”

Section: The Consequences Of Gene Flow and How To Study Themmentioning

confidence: 99%

“…We attempt an exhaustive overview on these clades (Tables S1 and S2, Supporting Information) and briefly discuss observations in other mammalian species (Section 5), many of which are unfortunately less well studied. We will mostly focus on genetic evidence and aspects of gene flow, but obviously phenotypic and observational approaches are of great importance, as reviewed thoroughly elsewhere …”

Section: Introductionmentioning

confidence: 99%

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Admixture in Mammals and How to Understand Its Functional Implications

2019

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Admixture, the genetic exchange between differentiated populations appears to be common in the history of species, but has not yet been comparatively studied across mammals. This limits the understanding of its mechanisms and potential role in mammalian evolution. The authors want to summarize the current knowledge on admixture in non-human primates, and suggest that it is important to establish a comparative framework for this phenomenon in humans. Genetic observations in domesticated mammals and their wild counterparts are discussed, and a brief global overview on other clades is presented. Based on this, some of the consequences of gene flow, including incompatibilities and their genomic footprint, as well as adaptive introgression are discussed, and suggestions for a functional genomics approach are made. It is proposed that the field is moving beyond descriptive observations in single species, to a comprehensive analysis of admixture and its impact. Admixture is becoming an integral part of mammalian evolution.

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Section: Admixture In Primatesmentioning

confidence: 99%

Section: Admixture In Primatesmentioning

confidence: 99%

Section: Admixture In Carnivoresmentioning

confidence: 99%

Section: The Consequences Of Gene Flow and How To Study Themmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Admixture in Mammals and How to Understand Its Functional Implications

2019

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Factors Shaping the Evolution of Early Homo

Schroeder¹

2021

Encyclopedia of Life Sciences

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The origin of the genus Homo is marked by a period of widespread morphological diversity across eastern and southern Africa. While the evolution of early Homo is recognised as a significant evolutionary juncture, this extensive variability makes it difficult to delimit a clear boundary between the australopiths and Homo , with the transition between the two reflecting a continuum, rather than a distinct transformation. This is also highlighted by disputes related to the most likely ancestor of Homo . Moreover, the period is marked by large‐scale climatic and environmental fluctuations, which have, in the past, been used to generate correlative adaptive hypotheses for the emergence of our genus. However, recent studies of fine‐scale palaeoenvironmental patterns, and applications of quantitative genetics theory to the fossil record, have identified a more complex picture of multiple lineages, habitat fragmentation and the influence of multiple evolutionary processes that defines the evolution of early members of our genus. Key Concepts The transition to the genus Homo took place along a morphological continuum between 2 and 3 million years ago. Variability across the earliest Homo fossil specimens is extensive, temporally, geographically and morphologically. The period marking the early evolution of Homo is characterised by extreme climatic and environmental oscillations. There is no consensus as to the most likely ancestral species of the genus Homo . Emerging research suggests that the diversification of Homo was multifaceted and included a range of evolutionary processes and multiple lineages.

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EarlyHomo

Rightmire¹

2023

A Companion to Biological Anthropology

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Hybridization in human evolution: Insights from other organisms

Cited by 92 publications

References 190 publications

Admixture in Mammals and How to Understand Its Functional Implications

Admixture in Mammals and How to Understand Its Functional Implications

Factors Shaping the Evolution of Early Homo

EarlyHomo

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