in the process of testing whether or not the independent-locus selection model holds true with previously estimated genetic parameters ( cf . mukai and maruyama 1971 ) in d. melanogaster collected near raleigh , north carolina , we found an abnormal phenomenon : an unusually large increase in dominance variance for viability in comparison with additive variance with the accumulation of mutations on 140 randomyl sampled , inversion-free second chromosomes .
C1708726
locus
C0008633
chromosomes