1 MCQs in Pathology for NEET PG
A 2-month-old female infant presents with anal atresia requiring urgent surgical intervention. On examination, she has a vertically elongated pupil with iris coloboma and bilateral preauricular skin tags. Cardiac evaluation reveals total anomalous pulmonary venous return (TAPVR). Karyotype analysis shows the presence of a small bisatellited supernumerary chromosome in addition to the normal chromosome 22 pair (47,XX,+mar). The structure marked **A** in the diagram represents this marker chromosome. Which of the following best describes the chromosomal composition and pathogenic mechanism underlying this patient's condition?
Ready to test yourself?
Test your Pathology knowledge with AI-powered MCQs and detailed explanations — no signup required to try.
Sign up free and practice all 1 Karyotype — Cat Eye Syndrome Tetrasomy 22q11 Marker Chromosome MCQs with AI-powered explanations tailored to your performance.
Create Free Account