* If all genotypes are haploid
An Arlequin input file is generated with one line per sample instead
of the two in the diploid case.
* If some samples have diploid genotypes while other samples have haploid genotypes.
Two different Arlequin input files are created for diploid and haploid genotypes, respectively.
* Haploid and diploid genotypes are mixed in the same samples.
An error message appears and no action is taken.
References:
Schneider, S.,Roessli, D., and Excoffier, L. (2000) Arlequin: A software for population
genetics data analysis. Ver 2.000. Genetics and Biometry Lab, Dept. of Anthropology,
University of Geneva.