https://en.wikipedia.org/wiki/Microtubule#/media/File:Microtubules_in_the_leading_edge_of_a_cell.tif Day 231 has 41 protein-coding genes (browser view). The first gene on chromosome 10 is TUBB8 (tubulin beta 8 class VIII).
Tubulin makes up microtubules, which form the skeleton of the cell. TUBB8 is mainly expressed in the developing human egg.
Click here to see all 8362338 letters of Day 231 with TUBB8 underlined.