Sex, Male Bias, & Degeneration by Dr. Melissa A. Wilson Sayres
http://photos3.meetupstatic.com/photos/event/1/1/0/a/600_270004362.jpeg The human X and Y chromosomes evolved from a non-sex ancestor. The X is still regular-sized, but the Y is degraded and puny. Dr. Wilson Sayres will talk about how this process occurs, and how we can use the sex chromosomes to understand why more nucleotide mutations originate from the sperm than from eggs.
