ichthyosis bullosa of Siemens
... that the rare skin disorder ichthyosis bullosa of Siemens may be caused by a spontaneous mutation in the keratin 2e gene on chromosome 12?
... that the rare <a class="mw-redirect" href="./Skin_disorder" id="mwCYg" rel="mw:WikiLink" title="Skin disorder">skin disorder</a> <b id="mwCYk"><a href="./Ichthyosis_bullosa_of_Siemens" id="mwCYo" rel="mw:WikiLink" title="Ichthyosis bullosa of Siemens">ichthyosis bullosa of Siemens</a></b> may be caused by a spontaneous <a href="./Mutation" id="mwCYs" rel="mw:WikiLink" title="Mutation">mutation</a> in the <a href="./Keratin_2A" id="mwCYw" rel="mw:WikiLink" title="Keratin 2A">keratin 2e gene</a> on <a class="mw-redirect" href="./Chromosome_12_(human)" id="mwCY0" rel="mw:WikiLink" title="Chromosome 12 (human)">chromosome 12</a>?