defined:

All the DNA contained in an organism or a cell, which includes both the chromosomes within the nucleus and the DNA in mitochondria.

explained:

Listen to a detailed explanation. (Requires the free RealPlayer download)

Dr. Paul Meltzer, formerly of the National Human Genome Research Institute's Laboratory of Cancer Genetics, defines genome.

related
terms:

cell, chromosome, deoxyribonucleic acid (DNA), mitochondrial DNA, nucleus

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