What is the difference between telophase 1 and 2

Meiosis contains two cell divisions. The difference between telophase I in meiosis and telophase during mitosis is the fact that located close to each pole of the spindle is a haploid set of chromosomes.

These are made up of one homolog from each of the homologous chromosomes. The nuclear envelope still forms and the spindle still disappears due to it being broken down. Each of these phases is designated as I or II depending where it occurs, i. Telophase I is the stage in meiosis I that follows after anaphase I. In anaphase I, the paired homologous chromosomes begin to separate from each other and move towards the opposite ends of the cell. This occurs as the kinetochore microtubules shorten, pulling and separating the paired chromosomes from each other.

Telophase I is that phase when the chromosomes have finished moving to opposite ends of the cell. This will then be followed by cytokinesis producing two daughter cells. After cytokinesis, the two daughter cells would have genetically different chromosomes after meiosis I.

The procedure may take a long time to complete, but that is because most of the processes take place at this stage and the rest of them complete at faster rates. The homologous chromosome moves towards the poles because of the action of the spindle and completes the migration processes. At this stage, each chromosome has two pairs of chromatids, and a new set of haploid exists at each pole. When this little process completes then the spindle disappears, and the envelope of nucleus gets formed around each set of the chromosome that become present at the poles.

Now the process of cytokinesis begins, here the process becomes different for humans and animals. For the latter ones, a cleavage furrow gets formed due to the cytokinesis, and that makes the cell divided into two main types.

When the process of cytokinesis completes, both these cells have a separate nucleus along with the chromosomes that have a haploid set. Most of the cells that are part of such a process do not go through the decomposition when the telophase 1 completes, while the ones who do show such a nature, the chromosome for them recondenses in the next phase that we know as prophase II.

Telophase 2 follows anaphase 2. During anaphase 2, sister chromatids are separated from their centromeres and move towards the opposite ends of the cell. Here, two spindle fibers are attached to the same centromere from both sides. Therefore, the contraction of the spindle fibers pulls each sister chromatid to the opposite poles of the cell.

The movement of each sister chromatid to the pole is completed during telophase 2. At the end of telophase 2, the nuclear membranes and the nucleoli are reformed, and chromosomes unwind to chromatids. Finally, two daughter nuclei appear at each pole. Figure 2: Telophase 2 and Cytokinesis. Cytokinesis follows telophase 2, producing two daughter cells. Each daughter cell consists of a sister chromatid from each chromosome of the species. These daughter cells start to specialize into gametes.

Figure 3: Meiosis Overview. Telophase 1: Telophase 1 is a stage of the first meiotic division in which the complete movement of separated homologous chromosomes to the opposite poles of the cell occurs.