<iframe width="580" height="385" src="https://www.youtube.com/embed/h2xufrHWG3E?autoplay=1" frameborder="0" allowfullscreen></iframe> <br>This video has been updated! Visit: https://youtu.be/dN9SZHO6Wjg Explore inheritance when carried on the X chromosome with ... <br><a href="https://www.youtube.com/watch?v=h2xufrHWG3E">source</a>