DNA-DNA hybridization phylogeny of sand dollars and highly reproducible extent of hybridization values

@article{Marshall1992DNADNAHP,
  title={DNA-DNA hybridization phylogeny of sand dollars and highly reproducible extent of hybridization values},
  author={Charles R. Marshall and Heather Swift},
  journal={Journal of Molecular Evolution},
  year={1992},
  volume={34},
  pages={31-44}
}
A DNA hybridization phylogeny of four sand dollars using a sea biscuit as an outgroup is presented. The study is unusual in that the normalized percent hybridization (NPH) values were all <50%, yet the same topology was obtained regardless of which distance metric was used, i.e., whether reciprocal distances were averaged or not, or whether or not a molecular clock was assumed. The tree also appears robust under jackknifing and bootstrapping. The extent of hybridization between homologous… CONTINUE READING

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