Susumo Ohno News Today

These Little Creatures Have The Weirdest Sex Chromosome System Known to Science 21 MAY 2021 When it comes to dividing animals along sex lines, evolution is known for getting creative. The chromosomes that determine baby-making functions have been reinvented so often throughout the ages, its hard to keep track.   Some groups, like mammals, are thought to be fairly consistent in how they genetically cast lots in the game of reproduction. But creeping voles ( Microtus oregoni) clearly didnt get...