Meiosis
1) Here is a really great animation! http://www.sumanasinc.com/webcontent/animations/content/meiosis.html
2) Spanish narrated animation <iframe src="http://player.vimeo.com/video/14359433" width="400" height="300" frameborder="0"></iframe><p><a href="http://vimeo.com/14359433">MEIOSIS</a> from <a href="http://vimeo.com/user4557779">Seadpsi</a> on <a href="http://vimeo.com">Vimeo</a>.</p>
2) Spanish narrated animation <iframe src="http://player.vimeo.com/video/14359433" width="400" height="300" frameborder="0"></iframe><p><a href="http://vimeo.com/14359433">MEIOSIS</a> from <a href="http://vimeo.com/user4557779">Seadpsi</a> on <a href="http://vimeo.com">Vimeo</a>.</p>