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Dwarfism in continental populations of natterjack toads in the absence of genetic isolation
Ample variation in body size is common in vertebrates over extensive geographical distances, or in isolated populations, where effective geographical barriers may cause dwarfism or gigantism. The...
Generalized hybridization between commercial and native individuals of bumble bees
Every year more than 1 million commercial bumblebee colonies are deployed in greenhouses worldwide for their pollination services. While commercial pollinators have been an enormous benefit for...
Genetic variability of red swamp crayfish reveals its invasion process
Patterns of genetic diversity in invasive populations can be modulated by a range of factors acting at different stages of the invasion process, including the genetic composition of the source...
Impairment of mixed melanin-based pigmentation in parrots
Parrots and allies (Order Psittaciformes) have evolved an exclusive capacity to synthesize polyene pigments called psittacofulvins at feather follicles, which allows them to produce a striking...
Higher epigenetic diversity could alleviate the loss of genetic diversity
Genetic diversity is generally considered the chief determinant of evolutionary change, but epigenetic diversity is now recognized as another layer of heritable variation with potential adaptive...
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