Extended Data Figure 7: Fold-back-like rearrangements of patient PD7170a.
From: Constitutional and somatic rearrangement of chromosome 21 in acute lymphoblastic leukaemia

a–c, Three fold-back-like rearrangement of the der(15;21) chromosome of patient PD7170a are shown (arrows). In a, the rearrangement is tail-to-tail type. In b and c, the rearrangement is head-to-head type.