Relier Pairs meiosisVersion en ligne match the correct image with the correct definition par Uko Nwa 1 Chromatids are pulled apart again. 2 Chromosomes become visible once again, nuclear envelope breaks down and we divide again. 3 Replicated homologous chromosomes find each other, pair up close together and form tetrads, cross over occurs 4 The tetrads move to the middle of the cell 5 The chromosomes start to unwind and a nuclear envelope forms for a short time. cleavage starts to form 6 Chromosomes line up in the middle again. 7 The spindle fibers pull the tetrads apart, and homologues move to the opposite ends of the cell 8 Finally each new cells form with half of the DNA of the original cell. Four haploid cells
Créer jeu