passages.id: split_8_test_829_passage
passages.type: progene_text
passages.text: Significant differences in the frequency of transcriptional units , types and numbers of repetitive elements , GC content , and the number of CpG islands between a 1010 - kb G - band genomic segment on chromosome 9q31.3 and a 1200 - kb R-band genomic segment on chromosome 3p21.3 .