Category: Science 9
My Scale of the Solar System
Meiosis
Interphase – Growth and preperation happen, but unlike mitosis there is no DNA replication.
Prophase 1- Homologous chromosomes pair up, and non-sister chromatids exchange genetic material.
Metaphase 1- Homologous chromosomes pair up at the equator.
Anaphase 1- Homologous chromosomeso separate and are pulled to opposite poles by the spindle fibers.
Telophase 1- One chromosome from each homologous pair is at each pole of the cell.
Interkinesis- During this time the cell will grow and make protein as in interposed of mitosis. Unlike interposed in mitosis, there is no replication of DNA.
Meiosis 2- Prophase 2- There is one chromosome of the homologous pair in each cell.
Metaphase 2- The x shaped chromosomes form a single line across the middle of the cell.
Anaphase 2- Sister chromosomes move to opposite poles of the cell
Telophase 2- Spindle fires begin to dissapear, and a nuclear membrane forms around each set of chromosomes.
Cytokinesis- In cytokinesis the two daughter cells are seperated.