homologous chromosomes
... that when homologous chromosomes do not separate correctly, it can lead to fertility problems and cancer?
... that when <b id="mwA2k"><a href="./Homologous_chromosome" id="mwA2o" rel="mw:WikiLink" title="Homologous chromosome">homologous chromosomes</a></b> do not separate correctly, it can lead to <a href="./Fertility" id="mwA2s" rel="mw:WikiLink" title="Fertility">fertility</a> problems and <a href="./Cancer" id="mwA2w" rel="mw:WikiLink" title="Cancer">cancer</a>?