Question:

Unilateral cleft lip occurs due to?

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When studying congenital defects, remember that they are often the result of both genetic and environmental factors, especially in the case of cleft lip and palate.
Updated On: June 02, 2025
  • Genetic factors
  • Environmental factors
  • Both genetic and environmental factors
  • Nutritional deficiency
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The Correct Option is C

Solution and Explanation

Unilateral cleft lip is typically caused by a combination of genetic predisposition and environmental factors during fetal development. Genetic mutations and maternal factors such as smoking, alcohol use, or medication during pregnancy can contribute to the development of cleft lip.
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