<classify> Ukuziguquguqula kunokuba nemiphumela eyohlukahlukeneyo oku kube kuxhomekeke kudidi lwenguquko, ukubaluleka kwepisana yematerial yofuzo echaphazelekayo kwakunye nokuba icells ezichaphazelekileyo zi germ-line cells.  <topic>: ScienceGeneral Biology 