Multiple choice Centrioles have tubular arrangements of 9 + 11 8 + 1 9 + 0 9 + 2 Reveal answer Fill a bubble to check yourself C Correct answer Explanation Centrioles and basal bodies have a 9+0 microtubule arrangement - nine triplet microtubules in the outer ring with no central microtubules. The 9+2 arrangement is found in cilia and flagella axonemes.