The gene responsible for folic acid transpo is situated on which chromosome ?: (A) 10, (B) 5, (C) X, (D) 21
Answer is D. 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