Averages for Sydney in September. Weather lowdown. Sydney is one of Australiaâs largest cities and the capital of New South Wales. The climate in Sydney is subtropical with mild, sunny weather all year-round.
During prophase, when cell chromosomes become visible, what are the duplicated strands of DNA called? What is the name for the area in which these duplicated strands are joined?2.What structures are spindle fibers attached to that help pull the paired chromosomes apart? 3.The chromosomes separate and begin to move to opposite sides of the cell.14.hat is the name for the area in which these duplicated strands are joined? 2.What structures are spindle fibers attached to that help pull the paired chromosomes apart? 3.The chromosomes separate and begin to move to opposite sides of the cell. 14.
Once cell division is triggered, the DNA inside the nucleus duplicates and the chromatin within the cells nucleus begins to condense. Prior to prophase, DNA is visible under a light microscope as a dark blur. Before prophase, a normal cell contains 23 pairs of chromosomes. After prophase, the cell contains 46 pairs of chromosomes -- two copies of each pair -- known as sister chromatids, joined at a centromere to form an X-shape.