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La preferencia de la hembra por los machos simétricos como un subproducto de la selección para el reconocimiento de
1Department of Zoology, University of Cambridge, UK.
Nature
|November 10, 1994
Resumen
La preferencia femenina por parejas simétricas puede surgir del reconocimiento de pareja, no necesariamente indicando la calidad masculina. La asimetría fluctuante (FA) refleja la respuesta al estrés, pero las preferencias por la simetría pueden evolucionar como un subproducto.
Área de la Ciencia:
- Biología evolutiva Biología evolutiva.
- Comportamiento animal Comportamiento animal.
- La biofísica es la biofísica.
Sus antecedentes:
- La asimetría fluctuante (FA) cuantifica la inestabilidad del desarrollo bajo estrés.
- Las hembras a menudo prefieren parejas simétricas, lo que sugiere que la simetría señala la calidad masculina.
Objetivo del estudio:
- Investigar si las preferencias de pareja por la simetría pueden evolucionar sin un vínculo directo con la calidad masculina.
- Explorar el papel del reconocimiento del compañero en la evolución de las preferencias de simetría.
Principales métodos:
- Utilizó redes neuronales artificiales simples.
- Escenarios simulados de elección de pareja y reconocimiento.
Principales resultados:
- Las preferencias de simetría pueden surgir como un subproducto de la selección para el reconocimiento de pareja.
- Las preferencias pueden surgir incluso cuando la simetría no está directamente correlacionada con la calidad masculina.
Conclusiones:
- La elección de pareja basada en la simetría no siempre refleja una señal honesta de la calidad masculina.
- Los modelos de redes neuronales artificiales sugieren vías evolutivas para las preferencias de simetría no adaptativa.
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