Groups
Within the mammalian family, there are four well defined groups of Pax genes.
- Pax group 1 (Pax 1 and 9),
- Pax group 2 (Pax 2, 5 and 8),
- Pax group 3 (Pax 3 and 7) and
- Pax group 4 (Pax 4 and 6).
Orthologous genes exist throughout the Metazoa, including extensive study of the ectopic expression in Drosophila using murine Pax6.
Read more about this topic: Pax Genes
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