Genetic Mapping of Orofacial Traits Reveals a Single Genomic Region Associated With Differences in Multiple Parameters of Jaw Size Between Astyanax mexicanus Surface and Cavefish.

Abstract excerpt

The regulation of bone size is a poorly understood and complex developmental process. Evolutionary models can enable insight through interrogation of the developmental and molecular underpinnings of natural variation in bone size and shape. Here, we examine the Mexican tetra (Astyanax mexicanus), a species of teleost fish comprising of an extant river-dwelling surface fish and obligate cave-dwelling fish. These...

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