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How does DNA relate to biology?

DNA groups itself in discrete clusters that supply the code for a given trait. Scientists refer to each of these clusters as genes. DNA is a long molecule that, in all organisms except for viruses and some bacteria, takes the form of a double helix. This structure resembles a twisted ladder that has numerous rungs.

What are the three major functions of DNA?

The three main functions of DNA are as follows. To form proteins and RNA. It is RNA that helps in passing genetic information from nucleus to the cytoplasm, hence referred as m-RNA. To exchange the genetic material of parental chromosomes during meiotic cell division.

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