Which of the following traits in humans is an example of physiological variation? By: Sunday|Published on: Dec 23|Categories: Biology WAEC| 0 comments A. skin colour B. fingerprint C. tongue rolling D. height Correct Answer: Option C – tongue rolling Users Also Read These:OAU Admission requirement for Physiological SciencesWhich of these traits shows discontinuous variation?Which of the following trait in humans is not a…Which of the following is an example of…Which of the following traits is not a morphological…SEE ALSO The primary cause of species endangerment is?