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Chromosome 1
Definition 1
The designation for each member of the largest human autosomal chromosome pair. Chromosome 1 spans about 247 million nucleotide base pairs and represents about 8% of the total DNA in normal diploid cells. (NCI Thesaurus)
Definition 2
One of the three pairs in the first group (or group A) of human chromosomes according to the current classification for humans. (NLM, Medical Subject Headings)
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