I just thought about something, are you just using Genesis 2.0 and the old child theme? Or are you actually using the latest HTML5? I just remembered that the code in the new files are only designed for HTML5 and not the older version of Genesis markup….but if you are using HTML5 and have it Enabled in the functions.php file then we should be ok. I just wanted to make sure we’re on the same page.
I create awesome sites for awesome people! Contact me if interested – email@example.com