Exact(15)
Head shape divergence is often associated with diverse feeding modes in fishes [1].
Thus, some aspects of body shape divergence noted here could be the byproduct of local adaptation in reproductive investment.
Based on thin-plate spline grids, the shape divergence axis represented a shape change for a short-headed (minus extreme) to a long-headed individual (plus extreme).
Cross-validation included in DFAs revealed habitat-associated shape divergence among gudgeon populations (for head shape, Wilks' lambda = 0.517, p<0.001, and for body shape, Wilks' lambda = 0.634, p<0.001).
Phenotypic shape divergence was quantified by measuring the mean of all Mahalanobis distances between individuals of any two species.
In fact, the reconstruction of the basal nodes of each family for both long bones suggests that shape divergence mainly occurred within each family.
Similar(45)
A genome-wide comparative study can help us to better understand how selection has shaped divergence and illuminate the genetic basis of parallel evolution in nine- and three-spined sticklebacks.
Instead, each of the isoforms has a distinct effect on cell shape, implying divergence of functions.
This relationship between hotspots and diversity indicate recombination hotpsots may be important in shaping diversity even if they are not stable enough to shape interspecific divergence (Winckler et al. 2005; Spencer et al. 2006; Baudat et al. 2009).
Thus, both the Y-STR and Mt trees are mutually consistent with respect to the tree shape and divergence time of European individuals relative to East Asians, despite being based on independent data and distance measures.
2) Is there any evidence for nonadaptive molecular evolutionary processes shaping the divergence of paralogs?
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