JAMB Biology 2023 Objective — Question 26
Question 26 of 40 from the Joint Admissions and Matriculation Board (JAMB) Biology 2023 Objective paper, with the correct answer and a full explanation.
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If the cross of a red-flowered plant with a white-flowered plant produces a pink-flowered plant, it is an example of
- A. codominance
- B. convergent evolution
- C. incomplete dominanceCorrect
- D. linkage
Explanation
This illustrates incomplete dominance, where instead of one allele completely masking the other, the effects of both alleles are partially expressed, resulting in an intermediate (pink) phenotype different from both parents.
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