- Morehouse College professor Dwann Davenport dared students to make a music video about anything from her biology class for extra credit.
- Julien Turner, who's part of a filmmaking duo, took up the challenge.
- He made up a poignant rap about mitosis and meiosis called "XY Cell Llif3" and starred in a music video about it.
- It's a take on "XO Tour Llif3" by Lil Uzi Vert.
- It's gone viral on Twitter, with more than 75,000 retweets.
- "I never turn down extra credit!" Turner told INSIDER in a Twitter direct message "A music video was right up my alley since I'm a filmmaker ... This is the one that happens to blow up."
- Watch it below.
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