Developmental stability covaries with genome-wide and single-locus heterozygosity in house sparrows.
Fluctuating asymmetry (FA), a measure of developmental instability, has been hypothesized to increase with genetic stress.Despite numerous studies providing empirical evidence for associations between FA and genome-wide properties such as multi-locus heterozygosity, support for single-locus effects remains scant.Here we test if, and to what extent,