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  • Image attributed to: Public Domain

    When breeding for length, put no weight on mass

    Longshanks mice, a line of laboratory mice specially bred for longer hind-limbs, showed a substantial increase in limb length over just 14 generations despite restraints caused by genetic correlations with body mass, which did not increase.

    BMC Evolutionary Biology 2014, 14:258
  • Image attributed to: Boaworm, CC3.0

    The scale of keratin evolution in birds

    A new analysis, utilising new phylogenetically diverse sequences produced by the Avian Genome Consortium, shows that diversification of beta keratin genes has been crucial in the evolution of feathers and the resulting adaptation of birds into multiple niches.

    BMC Evolutionary Biology 2014, 14:249
  • Image attributed to: Ritiks, Wikipedia CC3.0

    Hybridising Nemo

    Clownfish have evolved to fill numerous niches on coral reefs; this burst of diversification appears to have been fuelled by ancient hybridisation events that created novel genetic diversity and eventually new species.

    BMC Evolutionary Biology 2014, 14:245
  • Image attributed to: Shanel, Wikipedia, CC3.0

    Going deep into the mitochondrial genome

    A new database, the most comprehensive and thorough analysis of mitochondrial gene content to date, has implications for the deep phylogeny of eukaryotes and provides an important resource for researchers in genome evolution.

    BMC Evolutionary Biology 2014, 14:237
  • Image attributed to: Ed Schipul, CC2.0

    How to count dinosaur bones

    Estimating growth rates from fossil bones is difficult, depending on counting lines of arrested growth or measuring density; a comparison of dinosaur bones suggests that, due to variation between bones and individuals, both methods can be unreliable.

    BMC Evolutionary Biology 2014, 14:231
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