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:Which of the following human traits in a class of…OAU UTME requirements for Physiological SciencesOAU JUPEB Admission For Physiological ScienceWhich of the following trait in humans is not a…Which of these physiological variations is sex-linked?SEE ALSO The two important physical processes involved in the absorption and transport of materials in plants are?