Which of the following human traits in a class of school children may give an approximate normal distribution curve when the variation is plotted? by Sunday | May 14 | Biology WAEC | 0 comments A. Blood groups B. Ear shapes C. Sex distribution D. Heights Correct Answer: Option D D. Heights Users Also Read These:A normal supply curve has a positive slope which…Which of the following traits may not be important…The class that controls and supervises the…Which of the following forms of variation will give…Which of the following traits in humans is an…