<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 40-year-old woman brings her 2-day-old infant to the pediatricians office for a routine checkup. She tells the pediatrician that her baby vomits a greenish-yellow fluid after every feeding session. She has not been very successful in feeding him due to this problem. She also says that her baby has not passed stool since they left the hospital. On examination, the pediatrician observes that the baby has a flat facial profile and small eyes. The epicanthal folds are prominent and the palms have a single transverse crease. His abdomen is distended with high-pitched bowel sounds. The pediatrician orders an abdominal radiograph, the film is shown in the picture. Which of the following best explains the physical and clinical features exhibited by this infant?? A: Trisomy, B: Genomic imprinting, C: Anticipation, D: Monosomy, E: Locus heterogeneity,  <response>: Based on the description, the infant has several physical abnormalities such as a flat facial profile, small eyes, prominent epicanthal folds, single palmar crease, and abdominal distension. The vomiting of greenish-yellow fluid and lack of stool passage indicate gastrointestinal obstruction. The X-ray image shows a double bubble sign characteristic of duodenal atresia. These features are most consistent with a chromosomal abnormality resulting in multiple congenital anomalies. Trisomy 21 Down syndrome is the most likely diagnosis given the described physical features.A: Trisomy 