The 8 cell stage (actually consisting of 6-12 cells) develops by day 3 of human embryonic development, and includes a continuation of the process of embryonic genome activation (which is initiated at the 4-8-cell stages of the human embryo), resulting in the morula. The further process will stop if the morula degenerates.
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile