Evolution of genome size and DNA base composition in reptiles

  title={Evolution of genome size and DNA base composition in reptiles},
  author={Ettore Olmo},
The evolution of genome size and base composition of DNA from various reptiles has been studied. DNA amount was measured cytophotometrically and GC concentration estimated by thermal denaturation. The Reptilia appear to be a fairly homogeneous group with respect to DNA quantity, although chelonians stand out because of their higher inter- and intrafamilial variability and DNA content. Quantitative DNA variations do not show a single evolutionary trend, but rather seem to have followed different… CONTINUE READING


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