Canadian Women's Sex-Based Rights
2 posts todayRT @cawsbar: Let's stand together. https://t.co/yDDHb0...
Canadian Women's Sex-Based Rights
2 posts todayRT @wethefemalescan: Nettie Stevens discovered XY sex chromosomes, but didn't get credit for it. Her sex chromosome discovery in 1905 “was the culmination of more than two thousand years of speculation and experiment on how an animal, plant, or human ...