AP BIO LAB 6B-- CROSSING OVER IN SORDARIA

Here's a link to a site that takes you step-by-step through AP Lab 6B-- meiosis in the fungus Sordaria. It's pretty cool.

CROSSING OVER IN SORDARIA

For this lab, you have to count asci, then figure out which percentage of those asci underwent crossing over. We'll use these pictures for the lab:

EXAMPLE:

ASCI A:

ASCI B:

ASCI C: