The condition known as cretinism is caused by the deficiency of? by Sunday | Jun 28 | Biology WAEC | 0 comments A. adrenalin B. vitamin A C. insulin D. thyroxin E. vitamin C Correct Answer: Option D – thyroxin Users Also Read These:The deficiency of vitamin D and calcium ions in the…Night blindness in an animal is caused by a deficiency of?Vitamin K deficiency in farm animals causes?Which hormonal deficiency is likely to cause an…Yellow colouration of the lower leave of a growing…