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What is Which of these syndromes is associated with microcephaly? and explain in detail?
Ans. D. All of theseMicrocephaly or small head is subdivided into primary and secondary microcephaly. Primary microcephaly usually follows a Mendelian pattern of inheritance or is associated with certain syndromes. Down syndrome (trisomy 21), Edward syndrome (trisomy 18), Cri-du-chat syndrome (5p-), and Cornelia de Lange syndrome are associated with microcephaly.