Sentence:  A logical question to ask is, why she is strying to convince society that she is white and at the same time also half-and-half. Perhaps this is the prerogative of individuals who are mixed because at times they have the ability to <WSD>chameleonize</WSD> themselves. 
Meaning of the word marked with <WSD> tags:  To transform oneself, as if changing colour like a chameleon.