For reference, a normal human X chromosome is also shown (X). For the X;22 (case 68) and X;14 (case 4) translocations involving band Xq13, the autosomal protion of the translocation chromosomes is ...

This is a sign that the dog is content and relaxed. It is the closest canine equivalent to a human smile. You can see it in virtually all breeds of dogs such as those depicted here. Smiling dogs ...