In mammalian genomes, which regulatory sequences are clustered at promoters and allow access by transcription factors and RNA polymerase when unmethylated?

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CpG islands




TATA boxes




asked Jun 5, 2013 in Genetics by GeneX ~Top Expert~ (7,933 points)

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CpG islands


answered Jun 5, 2013 by GeneX ~Top Expert~ (7,933 points)