Medicine Ataxia telangiectasia is chracterised by all of the following except : A Chronic sinopulmonary disease B Decreased level of a-fetoprotein C Chromosomal breakage D IgA deficiency 💡 Explanation Ataxia telangiectasia is chracterised by all of the following except : ✓ Correct Answer: B. Decreased level of a-fetoprotein