General Science • BiologyMedium
Which genetic phenomenon occurs when a single gene influences multiple phenotypic traits in an organism?
A. Epistasis
B. Pleiotropy✓ Correct Answer
C. Codominance
D. Polygenic inheritance
💡 Solution & Explanation
Pleiotropy occurs when a single genetic locus influences multiple distinct and seemingly unrelated phenotypic traits in an organism, as observed in genetic disorders like sickle-cell anemia. In contrast, polygenic inheritance involves multiple genes contributing to a single phenotypic characteristic.
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