Pediatrics Ataxia telangiectasia is characterised by all of the following except – A Chronic sinopulmonary disease B Decreased level of α–fetoprotein C Chromosomal breakage D IgA deficiency 💡 Explanation Ataxia telangiectasia is characterised by all of the following except – ✓ Correct Answer: B. Decreased level of α–fetoprotein