Xist encodes a protein that will coat a Y chromosome to promote its compaction. Xist is located in the XIC region of the X chromosome. Xist functions in the initiation phase of X inactivation

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Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.