Male flies compensate for having a single X chromosome by doubling the single X chromosome's level of expression. This increase is mediated by MOF, a histone H4 acetyltransferase. MOF, along with other proteins and an RNA called roX2, binds to the male X chromosome. In the 21 September
The NIH could see its budget slashed by $5.8 billion (approximately 19 percent), while the EPA could see a $2.6 billion budget cut (around 31 percent).