Encyclopedia AllABCDEFGHIJKLMNOPQRSTUVWXYZ D Disease escape Phenomenon that a diseased seed plant still produces healthy seed, because the pathogen does not… Learn More → Domestication The process whereby humans change plant properties by selection and breeding, so the plants become… Learn More → Dominant epistasis Type of epistasis where the dominant allele A is epistatic over (suppresses) alleles B/b. In… Learn More → Doubled haploid A genotype, originating from a haploid plant, after chromosome doubling. Haploids are valuable genetic material… Learn More → Drift (plant breeding) A genetic phenomenon that, in the course of time, a seed propagated cultivar… Learn More →