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Genomic rearrangements arising during polyploidization are an important source of genetic and phenotypic variation in the recent allopolyploid crop Brassica napus. Exchanges among homoeologous chromosomes, due to interhomoeologue pairing, and deletio...
Chromosomal reshuffling occurs during meiosis in newly created polyploid species in Brassica, contributing to differentiation of parental genomes in the hybrid. In newly synthesized Brassica napus, studies have shown little effect of the very first m...