This term for a plant or animal with a marked deficiency of pigmentation comes from the Latin for "white"
[DOC] [TLE] 'Mestizo' and 'mulatto': Mixed-race identities among U.S. Hispanics ... [PAR] Jul 10, 2015 ... For many Americans, the term mixed race brings to mind a biracial experience 
of ... Latin America to describe people of mixed ancestry with a white ... My father 
did not come out looking like a mulatto at all.