[Heterosis in plants: from the Jones's genetic hypothesis to genomic age. 2: Chromosome blocks and genetic basis of heterosis]

allogamia alogamia aptitud combinatoria attitudine combinatoria autoimpollinazione autopollinisation brassica oleracea colture combining ability consanguineità crop yield crops cultivos diploidia diploidie diploidy distanza genetica dominant genes endogamia eterosi f1 hybrids genes dominantes genes recesivos genetic distance genetic maps genetica geneticists genetics genetistas genetisti geni dominanti geni recessivi genotipi genotipos genotypes heterosis histoire historia history hordeum vulgare hybride f1 ibridi f1 inbreeding lactuca sativa linee pure loci locus lycopersicon esculentum mappe genetiche mathematical models medicago sativa modelli matematici oryza sativa outbreeding pisum sativum plante de culture pure lines recessive genes recombinaison recombination rendement des cultures rendimiento de cultivos ricombinazione solanum tuberosum storia tetraploidia tetraploidie tetraploidy vigueur hybride zea mays