![MTV's "The Hills Live: A Hollywood Ending" Finale Event](https://hips.hearstapps.com/hmg-prod.s3.amazonaws.com/images/gettyimages-the-hills-102884578-1534820959.jpg?crop=1.00xw:0.686xh;0,0.0175xh&resize=320:* "MTV's "The Hills Live: A Hollywood Ending" Finale Event")
Swimming around somewhere in your cells' nuclei is the DNA of a bunch of 8,000-year-old women who passed on genetic material like it was their jobs. Nifty.
According to a new study from Arizona State University, 4,000 to 8,000 years after humanity invented agriculture, women were reproducing DNA at the rate of 17 females to one male. Researchers analyzed the DNA of more than 450 volunteers across the world, looking for two special types you can only inherit from your ancestors based on their sex. Turns out there's always more of the female DNA, though no one can really come up with a good explanation.
Was there some weird disease that only affected dudes? Unlikely. Did old-timey women only want to settle down with wealthy, powerful clan leaders, leaving all the penniless farmers single and heirless forever? Possibly. The reproduction proportion today is approximately four or five women for every man, so maybe people really are following their moms' scientifically backed advice to lower their standards.
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![MTV's "The Hills Live: A Hollywood Ending" Finale Event](https://hips.hearstapps.com/hmg-prod.s3.amazonaws.com/images/gettyimages-the-hills-102884578-1534820959.jpg?crop=1.00xw:0.686xh;0,0.0175xh&resize=480:* "MTV's "The Hills Live: A Hollywood Ending" Finale Event")
