I Have only at any time listened to "root" in a means that rhymes with fruit, boot, shoot, or toot. What locations contain the "us" that pronounce it /rʊt/? As this issue relates to biology, I will cite the classic case in point, but from molecular biology rather then mobile https://msmsolutions.com/sunrise-2027-why-its-time-to-embrace-the-next-generation-of-barcode-technology/