Because the cells always diverted when break down
...require a living host cell to survive.
The clivage furrow forms, the chromosomes are on either side of the cell
<h3>Each secondary spermatocyte completes the second meiotic division without the replication of DNA and produces 2 spermatids each containing 23 chromosomes. Spermatids undergo morphologic alteration (spermiogenesis) to become mature spermatozoa.</h3>