Figure 7From: The multiple sex chromosomes of platypus and echidna are not completely identical and several share homology with the avian ZExamples of cross-species chromosome painting to autosomes. (a) Paint Oan 7 and (b) paint Oan 16 hybridized to Tac 6q and 9p, and Tac 19, respectively. (c) Paint Tac 7 and (d) paint Tac 6 hybridized to Oan 2p and Oan 7q (reverse of 6a), respectively. Note that Tac 6 is a NOR-bearing chromosome but Oan 7 is not.Back to article page