Genomewide marker estimates of the level of dominance in maize heterosis
Patrick K. Sweet,
Robenzon E. Lorenzana,
Rex Bernardo
Abstract:Heterosis is the superiority of an F1 hybrid over its parents, and overdominance and dominance are the two main hypotheses for the genetic basis of heterosis. Our objectives were to determine if genomewide marker effects accurately reflect the level of dominance at quantitative trait loci (QTL) and assess the distribution of per‐marker estimates of the level of dominance in maize (Zea mays L.). We simulated different levels of dominance at QTL that were in coupling, repulsion, and random linkage phases. Genome… Show more
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