DNA carries the genetic information and are generally found in the

Assessment: JAMB UTME - Biology - 2024 Subject: Biology

Question 1 Report

DNA carries the genetic information and are generally found in the 
Answer Details

DNA, which stands for Deoxyribonucleic Acid, is the molecule that contains the genetic instructions for the development, functioning, growth, and reproduction of all known living organisms and many viruses. It is often referred to as the blueprint of life because it holds the instructions needed to build and maintain an organism.


DNA is primarily found in the chromosomes within the cell nucleus. Chromosomes are long, thread-like structures made of protein and a single molecule of DNA. Every human cell, for example, typically contains 23 pairs of chromosomes, amounting to a total of 46. These chromosomes are distributed evenly when cells divide, ensuring that each new cell contains a complete set of genetic information.


Other components like ribosomes, blood, and enzymes do not contain DNA in the way chromosomes do. Ribosomes are cellular structures responsible for protein synthesis, blood is a body fluid important for transporting nutrients and oxygen, and enzymes are proteins that catalyze biochemical reactions. While they all perform essential roles within the organism, they do not serve as carriers of genetic information.

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