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Hits are coloured based on Ks divergence, with purple blocks corresponding to 1:1 orthologous regions and other colours corresponding to retained genes from the rho and sigma WGDs.

After nagging one of his fellow patrons to borrow a diamond-encrusted snuff box, the owner succumbed, but not before scribbling in its lid the Greek letters phi and rho, or "Fie, Rowe!"

The original Greek included a variant form of "rho" which could not be duplicated.

He also became mingled with early Christian ideas; and the lock of hair of Horus attached to the cross originated the chi rho monogram of Christ.

It ran: O, pi, rho, bandy-legged Joe, Turnip and carrots wherever you go.