Can anyone bulletpoint the most salient parts of this video . So many just don ' t have time to view it . Thanks ! <| sep |> Danke fr die Info . Und Wasser ist und bleibt nass . <| sep |> You must not be a huge basketball fan ? <| sep |> always wear with socks . despite the name , they ' re sneakers just like any other pair of adidas . <| sep |> Imagine forcing a teenager to use Netflix for kids <| sep |> Wasn ' t he also a liberal less than 10 years ago ? People change <| sep |> This bitch Dr . Davis . He teaches the god damn chemistry class like I ' m majoring in chemistry . Fuck him . <| sep |> Damn I reallly hate switzer but i hope he ' s ok <| sep |> This is the best tldr I could make , sparrowwithfoursexes 1 . 21018 reduced by 95 %. I ' m a bot Tuttle and Gonser # 039 s leap was to show that this process is nearly identical to the early evolution of certain sex chromosomes , including the human X and Y . The researchers realized that they were effectively watching the bird evolve two sex chromosomes , on top of the two it already had . quotThis bird acts like it has four sexes , quot says Christopher Balakrishnan , an evolutionary biologist at East Carolina University in Greenville , North Carolina , who worked with Tuttle and Gonser . Such as reptiles , have two sexes and no sex chromosomes , whereas the freshwater protozoan Tetrahymena thermophila has seven sexes , each of which can mate with any type except its own . Two sexes with one set of sex chromosomes is the most common arrangement , and has evolved independently many times . Extended Summary Version 1 . 65 , ~ 25035 tldrs so far . % 23 autotldr PM ' s and comments are monitored , constructive feedback is welcome . Top keywords chromosome # 1 bird # 2 Tuttle # 3 Gonser # 4 more # 5