A January executive order by President Donald Trump designates people as female if they make the “large” reproductive cell (the egg) and male if they make the ...

During meiosis, sister chromatids produced by chromosome duplication are held together by Rec8, a meiosis-specific cohesion protein. Rec8 joins the whole length of the sister chromatids together ...

elegans oocytes. The centriolar cartwheel protein SAS-6 displays dynamic behavior during meiotic prophase. SAS-6 undergoes phase separation in vitro and forms condensate-like droplets in cells. CDK-1 ...