Characteristics of the reconstructed genome architectures of boreoeutherian ancestral genomes with the method of Ma et al.[12] and our synteny blocks.

The weak adjacencies are the inferred adjacencies that are not supported by at least two species whose evolutionary path contains the boreoeutherian ancestor. If this criterion is to be followed, this number is to be added to the number of CARs.

弱邻接（weak adjacencies）指未被至少两个演化路径包含北方真兽类祖先（boreoeutherian ancestor）的物种所支持的推断邻接。若遵循该判定准则，则需将此类弱邻接的数量计入染色体连锁群（CARs）的总数中。