mouse satellite DNA

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A DNA making up about 10% of the DNA isolated from a wide variety of mouse tissues. It forms a band slightly separated from the main peak when mouse DNA is spun to equilibrium in a CsCl density gradient (see centrifugation separation). Mouse satellite DNA consists of about 1 million copies per genome of a sequence some 400 nucleotide pairs in length. In situ hybridization experiments show that most of this DNA is located in the pericentric heterochromatin. See Chronology, 1970, Pardue and Gall.

Subjects: Genetics and Genomics.

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