In human cleavage divisions are 1)slow and synchronous 2)fast and synchronous 3)slow and asynchronous 4)fast and asynchronous Share with your friends Share 0 +919xxxxxx38 answered this Slow and asynchronous 1 View Full Answer Srijoti Mukherjee answered this Human cleavage is slow and asynchronous because the first cleavage is meridional whereas the second cleavage has one cell dividing meridionally and the other Equatorially. 1