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The effect of Metabolic Syndrome on Exercise Performance in American Football Players From a Mexican University por Morales Elizondo, Dulce Edith, Morales Corral, Pedro Gualberto, Sepúlveda Sepúlveda, Rosalinda, Sámano Pérez, Elfega, Barrera Flores, Francisco Jesús, Rizo Belloso, Emmanuel

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Paleoclimatic modeling and phylogeography of least killifish, Heterandria formosa: insights into Pleistocene expansion-contraction dynamics and evolutionary history of North Americ... por Bagley, Justin C, Sandel, Michael, Travis, Joseph, Lozano Vilano, María de Lourdes, Johnson, Jerald B

“…Several other features of the genetic data were consistent with predictions derived from an expansion-contraction model: limited intraspecific divergence (e.g. mean mtDNA p-distance = 0.66%); a pattern of mtDNA diversity (mean Hd = 0.934; mean π = 0.007) consistent with rapid, recent population expansion; a lack of mtDNA isolation-by-distance; and clinal variation in allozyme diversity with higher diversity at lower latitudes near the predicted refugium. Statistical tests of mismatch distributions and coalescent simulations of the gene tree lent greater support to a scenario of post-glacial expansion and diversification from a single refugium than to any other model examined (e.g. multiple-refugia scenarios). …”
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