This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
[{'content': 'Gene for folate carrier protein located on ? \nSelect and explain. \nA. Chromosome 10, B. Chromosome 5, C. Chromosome 21, D. Chromosome 9', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Chromosome 21 [Ref: www.ihop netorgiunipub/ihopigi92248.htmll Transpo of folate compounds Folk acid transpo * Chromosome location ----> 21 q 223. * Gene name --> SLCI9AI solute carrier family 19 (folate transpoer), member * Gene product/function --> Transpoer for the iniake 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', 'role': 'assistant'}]