This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Molecular Genetics, Subject name: Biochemistry
Genes are: 
Select and explain. 
A. Ribonucleic acid, B. Deoxy ribonucleic acid, C. Lipo proteins, D. Chromo proteins
B: Deoxy ribonucleic acid
Answer: B: Deoxy ribonucleic acid 
Explanation: Ans. B. Deoxy ribonucleic acidDNA is a reserve bank of genetic information and is organized into genes, which are the fundamental units of genetic information.