Fig. 1. Gain or loss in efficiency (%) of selection based on gene information compared with phenotypic selection. Trait heritability (h²) was 0.20 (diamond), 0.50 (circle), and 0.80 (triangle). Selection was among untested single-cross hybrids or among recombinant inbreds, with different numbers of loci (l) and tested hybrids (n) from which gene effects were estimated. (A) Hybrids, , . (B) Inbreds, . (C) Hybrids, . (D) Hybrids, . (E) Hybrids, . (F) Inbreds,

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