Frog Species Breaks Record for Most Sex Chromosomes in a Vertebrate

You may have learned in school that humans have 23 pairs of chromosomes: 22 "autosomes" and their partners, which contain pretty much the same genes and in the same order, plus one pair of sex chromosomes that lead to the differentiation in sexual traits. But enough about us. The Amazonian Leptodactylus pentadactylus...