![]() ![]() Recent technological advances and the availability of several high-quality apple genomes now provide the bases to understand the exact nature of the underlying molecular changes that are responsible for the observed phenotypic changes observed in sports. Until recently, the detailed genetic or epigenetic changes resulting in heritable phenotypic changes in sports was largely unknown. These differences affect a limited number of traits of economic importance, including skin color. Indeed, many “sports” exist that show distinct phenotypic differences compared to the varieties from which they originated. For apples, most novel varieties are so-called “mutants” or “sports” that have been identified in clonal populations. Skin color is, thus, one of the most important criteria taken into account by breeders. In fact, it has a major influence on consumer choice. Apple skin color is an important trait for organoleptic quality. ![]()
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