has the long arm of chromosome 9. The transfer between the long arms of chromosomes 9 and 22 is called a reciprocal translocation. In Figure 1, the arrows indicate the translocation breakpoints ...

You have full access to this article via your institution. Figure 1: Comparative location of orthologous genes on chicken Z and human chromosome 9.

When this occurs, the ABL1 gene on chromosome 9 fuses with the BCR gene on chromosome 22, creating a new fused gene. The BCR-ABL1 oncogene codes for a protein that causes cells to grow and divide ...