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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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A child with a small head, minor anomalies of the face including a thin upper lip, growth delay, and developmental disability can have all of the following,except
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The correct answer is  The features given can occur as a pa of a chromosomal / teratogenic / mendelian syndrome. Polygenic inheritance is the answer of exclusion. In a polygenic inheritance, multiple genes are involved in the phenotypic expression. Some examples of polygenic inheritance are hypeension and diabetes. Reference: GHAI Essential pediatrics, 8th edition