Following fertilization and two rounds of cell cleavage, each of the four cells of a frog embryo has a centriole that is preparing for the next cleavage. The centriole in each of these cells can trace its origins back to the original centriole provided by the prior to the first cleavage. Please choose the correct answer from the following choices, and then select the submit answer button. Answer choices secondary oocyte sperm ootid oogonium primary oocyte