A back migration from Asia to sub-Saharan Africa is supported by high-resolution analysis of human Y-chromosome haplotypes.

@article{Cruciani2002ABM,
  title={A back migration from Asia to sub-Saharan Africa is supported by high-resolution analysis of human Y-chromosome haplotypes.},
  author={F. Cruciani and P. Santolamazza and P. Shen and V. Macaulay and P. Moral and A. Olckers and D. Modiano and S. Holmes and G. Destro‐Bisol and V. Coia and D. Wallace and P. Oefner and A. Torroni and L. Cavalli-Sforza and R. Scozzari and P. Underhill},
  journal={American journal of human genetics},
  year={2002},
  volume={70 5},
  pages={
          1197-214
        }
}
The variation of 77 biallelic sites located in the nonrecombining portion of the Y chromosome was examined in 608 male subjects from 22 African populations. This survey revealed a total of 37 binary haplotypes, which were combined with microsatellite polymorphism data to evaluate internal diversities and to estimate coalescence ages of the binary haplotypes. The majority of binary haplotypes showed a nonuniform distribution across the continent. Analysis of molecular variance detected a high… Expand
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