<prompt> Alpha fetoprotein is raised in all except:September2011TeratocarcinomaDown syndromeEmbryonal cell carcinomaHepatocellular carcinoma  <response>: Ans. B: Down syndromeAFP is produced by hepatocellular carcinomas, yolk sac remnants in the gonads, and occasionally teratocarcinomas and embryonal cell carcinomas. 