… We used deletion sequences to evaluate the … “two-step theory” explained that the two
rounds of independent polyploidization and re-diploidization events resulted in fewer fractionated …

… Our study could help to accelerate the breeding process of … were selected from 581
insertion-deletion (InDel) markers, 60 … exist in the distribution of exons and sequence length …

… translocations, fusions, and deletions. Furthermore, the … were not required with the two-step
cycles and high denaturation … The raw data supporting the conclusions of this article will be …

… The three diploid species (Brassica rapa, B. nigra, and … gene families and the biased
fractionation of one parental genome, … exon analysis, confirms a negative correlation between …

… SI phenotype between two Brassica rapa varieties that have … least fractionated (LF), medium
fractionated (MF1) and most … we designed, when possible, exon–intron spanning primers in …

… Chinese cabbage (Brassica rapa ssp. pekinensis) is an economically important vegetable
… (from the three sub-genomes: least fractionated [LF], medium fractionated [MF1], and most …

… fractionation comparisons, we suggested that the ACH may be an allohexaploidization event.
Similar to the hexaploidization in Brassica rapa … inversions and minor deletions. First, after …

… relationship to either Brassica rapa or Brassica oleracea. Two … A “two-step theory” has been
proposed to explain the Br-… 4.74–4.87 exons per transcript and mean exon length of 234.39…

… The patterns of biased fractionation observed in the genome of Brassica rapa suggested
that the … We sought to first confirm the two-step hexaploidy model and its relationship to the …

… , C and B origin from a common hexaploid ancestor which formed by a two-step fractionation
… The hybridization and chromosome behavior data used to support the findings of this study …