Log Message:
Imported R-genetics from pkgsrc-wip.

Classes and methods for handling genetic data. Includes classes to
represent genotypes and haplotypes at single markers up to multiple
markers on multiple chromosomes. Function include allele frequencies,
flagging homo/heterozygotes, flagging carriers of certain alleles,
estimating and testing for Hardy-Weinberg disequilibrium, estimating
and testing for linkage disequilibrium, ...