A) large families with pedigrees and DNA sequences. B) large numbers of mapped physical markers with complete genomic coverage and small families with pedigrees and DNA sequences. C) small numbers of mapped markers and small families with pedigrees and DNA sequences D) a multi-generational selective breeding program. E) either large families with pedigrees and DNA sequences or large numbers of mapped physical markers with complete genomic coverage and small families with pedigrees and DNA sequences.