What is Genome  - Brief Facts

A genome is the complete set of genetic material present in an organism. It includes all of an organism's genes, as well as non-coding sequences of DNA or RNA.


A genome is composed of DNA n most organisms, though some viruses have RNA genomes.


In eukaryotic organisms, the genome is organized into chromosomes, which are long, thread-like structures located in the cell nucleus.

Size and Variation

Genome size varies widely among organisms. For example, the human genome consists of approximately 20,000-25,000 genes.

Sequencing and Analysis

Sequencing the genome involves determining the order of nucleotides in DNA.


Genome research has numerous applications, including in medicine, agriculture , and evolutionary biology.

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