X hyperactivation

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X hyperactivation refers to the process in Drosophila by which the structural genes of the male X chromosome are transcribed at the same rate as the two X chromosomes of the female combined.


  • Birchler JA, Pal-Bhadra M, Bhadra U (2003). "Dosage dependent gene regulation and the compensation of the X chromosome in Drosophila males". Genetica. 117 (2–3): 179–90. doi:10.1023/A:1022935927763. PMID 12723697.