You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is The gene responsible for folic acid transpo is situated on which chromosome ? and explain in detail?
21[Ref : Folic acid transpo * Chromosome location -4 21 q 223. * Gene name --> SLC I 9AI solute carrier family 19 (folate transpoer), member * Gene product/function --) Transpoer for the intake of folate. Transpo of folate occurs by novel mechanism called potocytosis which functionally couples three components namely the folate receptor, the folate transpoer and v-type h+ pump. * Alleles --> A 80G single nucleotide polymorphism