WAEC Biology 2009 Objective — Question 44
Question 44 of 60 from the West African Examinations Council (WAEC) Biology 2009 Objective paper, with the correct answer and a full explanation.
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Which of the following is an example of variation?
- A. A. Blood group
- B. B. Tongue rollingCorrect
- C. C. Reproduction
- D. D. Growth
Explanation
Tongue rolling is an example of variation (discontinuous variation) - some people can do it while others cannot.
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