谢谢。可能是因为这个原因而不一致: https://www.ncbi.nlm.nih.gov/refseq/rsg/about/ Criterion 2. Standard allele The default implementation of 'standard allele' will be the sequence from the public reference assembly. If, however, there is published evidence, evidence from locus-specific databases, or evidence from clinical testers, that the sequence in the Reference assembly is not standard, the RefSeqGene sequence will be constructed from an alternate source sequence, or locally modified.