HomePromatric Which chromosome cause mongolims.. trisomy 21 publisher :NIL NAM -March 26, 2017 Which chromosome cause mongolims: A. disomy 21 B. trisomy 21 *** the extra chromosome that cause mongolism is trismoy21. Labels Promatric Facebook Twitter Share:Which chromosome cause mongolims.. trisomy 21 Facebook Twitter WhatsApp Pinterest LinkedIn Reddit Tumblr Telegram Email