"New" colours possible?

DIAMOND Mark R. dot at dot.dot
Wed Nov 21 10:37:17 EST 2001

Re the four cone type people. Accruing evidence suggests that the mothers of
typically deuteronopic (R-G) boys have a mutation in one of the middle
wavelength (Green) cone types. I know such a person who has two colour blind
sons. She herself can see both the "normal" and "colourblind" forms in each
of the standard Ishihara plates, with apparently equal salience.

Mark R. Diamond
Send email to  psy dot uwa dot edu dot au and address to markd

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