Chromosome 3

Pronunciation

Definition 1

One of a pair of chromosomes that is part of the 46 chromosomes found in the nucleus of most human cells. Specific changes in chromosome 3 may be found in patients with certain genetic conditions or some types of cancer, including bladder cancer. Checking for these changes may help diagnose cancer or find out if cancer has come back. Chromosome 3 is a type of tumor marker. (NCI Dictionary)

Definition 2

The designation for each member of the third largest human autosomal chromosome pair. Chromosome 3 spans almost 200 million base pairs and represents about 6.5% of the total DNA in normal diploid cells. (NCI Thesaurus)

Definition 3

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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