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High-density comparative map of the VRN-D4 candidate region. a High-density genetic map of the VRN-D4 in hexaploid wheat cross TDF-J × CS(5D5402). Distances are in cM. b, c Maps of B. distachyon and rice colinear regions with VRN-D4 region. Distances are in Mb and are based on current genome sequences. Arrows indicate active centromeres, centromeric regions are not drawn to scale. b B. distachyon chromosome 4. c Rice chromosome 12
