Composición genética de una población del suroccidente de Colombia

  • Liliana Córdoba Universidad de Antioquia
  • Jharley Jair García Universidad de Antioquia
  • Luz Stella Hoyos Universidad del Cauca
  • Constanza Duque Universidad de Antioquia
  • Winston Rojas Universidad de Antioquia
  • Silvio Carvajal Universidad del Cauca
  • Luisa Fernanda Escobar Universidad del Cauca
  • Ingrid Reyes Universidad del Cauca
  • Nohelia Cajas Universidad del Cauca
  • Adalberto Sánchez Universidad del Valle
  • Felipe García Universidad del Valle
  • Gabriel Bedoya Universidad de Antioquia
  • Andrés Ruiz-Linares Universidad de Antioquia
Palabras clave: Departamento del Cauca, mezcla, variantes genéticas

Resumen

La población actual del departamento del Cauca es el resultado de la mezcla de tres poblaciones parentales (europea, amerindia y africana). En este estudio se determinó la composición genética de 306 residentes del departamento mediante la utilización de 34 variantes autosómicas, 9 variantes en el cromosoma X, 6 en el ADNmt y 8 en el cromosoma Y. Los análisis de las variantes autosómicas y del cromosoma X revelaron que la población europea y la amerindia han contribuido en mayor proporción al actual acervo genético de la población estudiada. Los resultados de las variantes en el ADNmt y del cromosoma Y sugieren un fuerte sesgo sexual (flujo génico asimétrico) en el proceso de mezcla, en el que los cruces interétnicos fueron principalmente entre los colonizadores europeos y las mujeres nativas.

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Cómo citar
Córdoba, L., García, J. J., Hoyos, L. S., Duque, C., Rojas, W., Carvajal, S., Escobar, L. F., Reyes, I., Cajas, N., Sánchez, A., García, F., Bedoya, G., & Ruiz-Linares, A. (2012). Composición genética de una población del suroccidente de Colombia. Revista Colombiana De Antropología, 48(1), 21-48. Recuperado a partir de https://revistas.icanh.gov.co/index.php/rca/article/view/879

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Publicado
2012-01-01
Sección
Antropología y diversidad genética en Colombia