Which statement correctly describes the difference between meiosis I and 
 meiosis II? 
 a.) Meiosis I brings together sister chromatids, and meiosis II separates them. 
 b.) Meiosis I separates tetrads, and meiosis II separates sister chromatids. 
 c.) Meiosis I separates sister chromatids, and meiosis II separates tetrads.