• joel_feila@lemmy.world
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      1 year ago

      the gene for red green color blindness is carried on the X chromosome so a woman can have it it is just very rare. Now blue yellow color blindness is much much rarer and carried on a different chromosome so men and women have it equally

    • Psythik@lemm.ee
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      1 year ago

      I didn’t know her well enough to ask. She was a friend of a friend, and this was over a decade and a half ago.