So far in this course we have dealt entirely with the evolution of characters that are controlled by simple Mendelian inheritance at a single locus. There are notes on the course website about gametic disequilibrium and how allele frequencies change at two loci simultaneously, but we didn’t discuss them. In every example we’ve considered we’ve imagined that we could understand something about evolution by examining the evolution of a single gene. That’s the domain of classical population genetics. For the next few weeks we’re going to be exploring a field that’s actually older than classical population genetics, although the approach we’ll be taking to it involves the use of population genetic machinery. If you know a little about the history of evolutionary biology, you may know that after the rediscovery of Mendel’s work in 1900 there was a heated debate between the “biometricians” (e.g., Galton and Pearson) and the “Mendelians” (e.g., de Vries, Correns, Bateson, and Morgan). Biometricians asserted that the really important variation in evolution didn’t follow Mendelian rules. Height, weight, skin color, and similar traits seemed to

Human biochemical genetics

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Modern Applied Statistics With S

General guidelines for use of wild mammal species are updated from the 1998 version approved by the American Society of Mammalogists (ASM) and expanded to include additional resources. Included are details on marking, housing, trapping, and collecting mammals. These guidelines cover current professional techniques and regulations involving mammals used in research. Institutional animal care and use committees, regulatory agencies, and investigators should review and approve procedures concerning use of vertebrates at any particular institution. These guidelines were prepared and approved by the ASM, whose collective expertise provides a broad and comprehensive understanding of the biology of nondomesticated mammals in their natural environments.

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Guidelines of the american society of mammalogists for the use of wild mammals in research

Guidelines for use of wild mammal species in research are updated from [Sikes et al. (2011)][1]. These guidelines cover current professional techniques and regulations involving the use of mammals in research and teaching; they also incorporate new resources, procedural summaries, and reporting requirements. Included are details on capturing, marking, housing, and humanely killing wild mammals. It is recommended that Institutional Animal Care and Use Committees (IACUCs), regulatory agencies, and investigators use these guidelines as a resource for protocols involving wild mammals, whether studied in the field or in captivity. These guidelines were prepared and approved by the American Society of Mammalogists (ASM), in consultation with professional veterinarians experienced in wildlife research and IACUCs, whose collective expertise provides a broad and comprehensive understanding of the biology of nondomesticated mammals. The current version of these guidelines and any subsequent modifications are available online on the Animal Care and Use Committee page of the ASM website ( ). Additional resources pertaining to the use of wild animals in research are available at: .

Resumen Los lineamientos para el uso de especies de mamiferos de vida silvestre en la investigacion con base en [Sikes et al. (2011)][1] se actualizaron. Dichos lineamientos cubren tecnicas y regulaciones profesionales actuales que involucran el uso de mamiferos en la investigacion y ensenanza; tambien incorporan recursos nuevos, resumenes de procedimientos y requisitos para reportes. Se incluyen detalles acerca de captura, marcaje, manutencion en cautiverio y eutanasia de mamiferos de vida silvestre. Se recomienda que los comites institucionales de uso y cuidado animal (cifras en ingles: IACUCs), las agencias reguladoras y los investigadores se adhieran a dichos lineamientos como fuente base de protocolos que involucren mamiferos de vida silvestre, ya sea investigaciones de campo o en cautiverio. Dichos lineamientos fueron preparados y aprobados por la ASM, en consulta con profesionales veterinarios experimentados en investigaciones de vida silvestre y IACUCS, de quienes cuya experiencia colectiva provee un entendimiento amplio y exhaustivo de la biologia de mamiferos no-domesticados. La presente version de los lineamientos y modificaciones posteriores estan disponibles en linea en la pagina web de la ASM, bajo Cuidado Animal y Comite de Uso: ( ). Recursos adicionales relacionados con el uso de animales de vida silvestre para la investigacion se encuentran disponibles en ( ).

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/pdf/2016-guidelines-of-the-american-society-of-mammalogists-for-3an7mvie1s.pdf

2016 Guidelines of the American Society of Mammalogists for the use of wild mammals in research and education.

This review describes new developments in the study of transgenerational epigenetic inheritance, a component of epigenetics. We start by examining the basic concepts of the field and the mechanisms that underlie epigenetic inheritance. We present a comprehensive review of transgenerational cellular epigenetic inheritance among different taxa in the form of a table, and discuss the data contained therein. The analysis of these data shows that epigenetic inheritance is ubiquitous and suggests lines of research that go beyond present approaches to the subject. We conclude by exploring some of the consequences of epigenetic inheritance for the study of evolution, while also pointing to the importance of recognizing and understanding epigenetic inheritance for practical and theoretical issues in biology.

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Transgenerational epigenetic inheritance: prevalence, mechanisms, and implications for the study of heredity and evolution

We review the evolution of domestic animals, emphasizing the effect of the earliest steps of domestication on its course. Using the first domesticated species, the dog (Canis familiaris), for illustration, we describe the evolutionary peculiarities during the historical domestication, such as the high level and wide range of diversity. We suggest that the process of earliest domestication via unconscious and later conscious selection of human-defined behavioral traits may accelerate phenotypic variations. The review is based on the results of a long-term experiment designed to reproduce early mammalian domestication in the silver fox (Vulpes vulpes) selected for tameability or amenability to domestication. We describe changes in behavior, morphology and physiology that appeared in the fox during its selection for tameability, which were similar to those observed in the domestic dog. Based on the data of the fox experiment and survey of relevant data, we discuss the developmental, genetic and possible molecular genetic mechanisms underlying these changes. We ascribe the causative role in evolutionary transformation of domestic animals to the selection for behavior and to the neurospecific regulatory genes it affects.

/pdf/animal-evolution-during-domestication-the-domesticated-fox-2t36va390n.pdf

Animal evolution during domestication: the domesticated fox as a model

This paper is a review of the results of the authors obtained in a long-term experiment on fox domestication. Debatable issues of dog evolution are discussed in light of these results. It is demonstrated that genetic physiological mechanisms of the behavior transformation during selection and the nature of the arising phenotypic changes are associated with retarded development of corresponding ontogenetic processes. As a result of this retardation, the adult animals retain juvenile traits of behavior and morphology (the phenomenon of neoteny). The role of hormonal changes caused by domestication in the evolutionary origin of neoteny is discussed.

An experiment on fox domestication and debatable issues of evolution of the dog

Behavioral and Adrenocortical Responses to Open-Field Test in Rats Selected for Reduced Aggressiveness Toward Humans

During the second part of the twentieth century, Belyaev selected tame and aggressive foxes (Vulpes vulpes), in an effort known as the “farm-fox experiment”, to recapitulate the process of animal domestication. Using these tame and aggressive foxes as founders of segregant backcross and intercross populations we have employed interval mapping to identify a locus for tame behavior on fox chromosome VVU12. This locus is orthologous to, and therefore validates, a genomic region recently implicated in canine domestication. The tame versus aggressive behavioral phenotype was characterized as the first principal component (PC) of a PC matrix made up of many distinct behavioral traits (e.g. wags tail; comes to the front of the cage; allows head to be touched; holds observer’s hand with its mouth; etc.). Mean values of this PC for F1, backcross and intercross populations defined a linear gradient of heritable behavior ranging from tame to aggressive. The second PC did not follow such a gradient, but also mapped to VVU12, and distinguished between active and passive behaviors. These data suggest that (1) there are at least two VVU12 loci associated with behavior; (2) expression of these loci is dependent on interactions with other parts of the genome (the genome context) and therefore varies from one crossbred population to another depending on the individual parents that participated in the cross.

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I. N. Oskina

Papers

Animal evolution during domestication: the domesticated fox as a model

An experiment on fox domestication and debatable issues of evolution of the dog

Behavioral and Adrenocortical Responses to Open-Field Test in Rats Selected for Reduced Aggressiveness Toward Humans

Mapping Loci for Fox Domestication: Deconstruction/Reconstruction of a Behavioral Phenotype

Experimental studies of early canid domestication.