<prompt> A 3-month-old child has a typical mewing cry and a congenital hea disease. The most probable chromosomal abnormality is:5q-5p-4p-9p-  <response>: -- Cat cry with congenital hea disease in an infant suggests Cri du chat syndrome CRI DU CHAT SYNDROME: Caused dt Chromosome 5p deletion. Hence called as 5p minus syndrome Aka Cat Cry Syndrome -- as these infants presents with high-pitched cry that sounds like that of a cat. Associated with VSD, PDA, ASD 