In genetics laboratories in Latin America, scientists have been mapping the genomes of local populations, seeking to locate the genetic basis of complex diseases and to trace population histories. As part of their work, geneticists often calculate the European, African, and Amerindian genetic ancestry of populations. Some researchers explicitly connect their findings to questions of national identity and racial and ethnic difference, bringing their research to bear on issues of politics and identity. Drawing on ethnographic research in Brazil, Colombia, and Mexico, the contributors to Mestizo Genomics explore how the concepts of race, ethnicity, nation, and gender enter into and are affected by genomic research. In Latin America, national identities are often based on ideas about mestizaje (race mixture), rather than racial division. Since mestizaje is said to involve relations between European men and indigenous or African women, gender is a key factor in Latin American genomics and in the analyses in this book. Also important are links between contemporary genomics and recent moves toward official multiculturalism in Brazil, Colombia, and Mexico. One of the first studies of its kind, Mestizo Genomics sheds new light on the interrelations between "race," identity, and genomics in Latin America. Contributors. Adriana Díaz del Castillo H., Roosbelinda Cárdenas, Vivette García Deister, Verlan Valle Gaspar Neto, Michael Kent, Carlos López Beltrán, María Fernanda Olarte Sierra, Eduardo Restrepo, Mariana Rios Sandoval, Ernesto Schwartz-Marín, Ricardo Ventura Santos, Peter Wade

Race mixture, or mestizaje, has played a critical role in the history, culture, and politics of Latin America. In Degrees of Mixture, Degrees of Freedom, Peter Wade draws on a multidisciplinary research study in Mexico, Brazil, and Colombia. He shows how Latin American elites and outside observers have emphasized mixture's democratizing potential, depicting it as a useful resource for addressing problems of racism (claiming that race mixture undoes racial difference and hierarchy), while Latin American scientists participate in this narrative with claims that genetic studies of mestizos can help isolate genetic contributors to diabetes and obesity and improve health for all. Wade argues that, in the process, genomics produces biologized versions of racialized difference within the nation and the region, but a comparative approach nuances the simple idea that highly racialized societies give rise to highly racialized genomics. Wade examines the tensions between mixture and purity, and between equality and hierarchy in liberal political orders, exploring how ideas and scientific data about genetic mixture are produced and circulate through complex networks.

The concept of “indigenous” has been entwined with notions of exoticism and alterity throughout Mexico’s history. In Beyond Alterity, authors from across disciplines question the persistent association between indigenous people and radical difference, and demonstrate that alterity is often the product of specific political contexts. Although previous studies have usually focused on the most visible aspects of differences—cosmovision, language, customs, resistance—the contributors to this volume show that emphasizing difference prevents researchers from seeing all the social phenomena where alterity is not obvious. Those phenomena are equally or even more constitutive of social life and include property relations (especially individual or private ones), participation in national projects, and the use of national languages. The category of “indigenous” has commonly been used as if it were an objective term referring to an already given social subject. Beyond Alterity shows how this usage overlooks the fact that the social markers of differentiation (language, race or ethnic group, phenotype) are historical and therefore unstable. In opposition to any reification of geographical, cultural, or social boundaries, this volume shows that people who (self-)identify as indigenous share a multitude of practices with the rest of society and that the association between indigenous identification and alterity is the product of a specific political history. Beyond Alterity is essential reading for anyone interested in understanding indigenous identity, race, and Mexican history and politics. Contributors Ariadna Acevedo-Rodrigo Laura Cházaro Michael T. Ducey Paul K. Eiss José Luis Escalona-Victoria Vivette García Deister Peter Guardino Emilio Kourí Paula López Caballero Elsie Rockwell Diana Lynn Schwartz Gabriela Torres-Mazuera

To better understand the idea of "race" in the postgenomic age, social science ought to move beyond merely repeating the "race is a social construct" mantra. This collection directly engages the interface between social-scientific and natural-scientific perspectives on race considering recent developments in genomics. The book provides views that go beyond US-centered or Western-based paradigms on race.

The term "mestizaje" is generally translated as race mixture, with races typically understood as groups differentiated by skin color or other physical characteristics. Yet such understandings seem contradicted by contemporary understandings of race as a cultural construct, or idea, rather than as a biological entity. How might one then approach mestizaje in a way that is not definitionally predicated on ‘race,’ or at least, on a modernist formulation of race as phenotypically expressed biological difference? The contributors to this volume provide explorations of this question in varied Latin American contexts (Mexico, Guatemala, Bolivia, Colombia, Peru), from the16th century to the present. They treat ‘mestizo acts’ neither as expressions of pre-existing social identities, nor as ideologies enforced from above, but as cultural performances enacted in the in-between spaces of social and political life. Moreover, they show how ‘mestizo acts’ not only express or reinforce social hierarchies, but institute or change them – seeking to prove – or to dismantle – genealogies of race, blood, sex, and language in public and political ways. The chapters in this book originally published as a special issue of Latin American and Caribbean Ethnic Studies.