<prompt> The gene for folic acid transpoer is located on which chromosome:51521X  <response>: C i.e. 21Folic acid transpoer gene SLC 19 AI solute carrier family 19 is located on long arm of chromosome 21 21q Q at band 22.3. Transpo of folate occurs by potocytosis which functionally couples folate receptor, folate transpoer and V- type h pump. 