Legend :
Human conserved syntenic regions following RH data are indicated by colored boxes on the left of the canine chromosome ideograms.
On the right of each canine ideograms , OR genes are represented by colored squares (each color corresponding to a family)
and are drawned according to their chromosomal position see Radiation Hybrid data
Numbers of non-classified ORs are indicated on the right of each localization, followed by, in parenthesis,
the total number of OR sequences in each cluster.