Evaluate the collective function of references cited together in a given text segment.
Classify their combined role into one of the following categories: 'method', 'background', or 'result'.

Text:Interestingly, the RAQ2/RNQ4 region on 5HL is identical to the major QTL previously detected for grain dormancy (i.e., qSDND) in the ND24260  Flagship DH population (Hickey et al., 2012), with the allele for both QTL (i.e., grain dormancy and RAQ2/RNQ4) donated by ND24260.
Category: