Prophase II - Spindle fibers reform, and centrioles move to opposite ends. Metaphase II- Spindle fibers attach and move to equator in a single file line. Anaphase II - Spindle Fibers shorten and seperate, chromosomes into seperate chromitides and go to poles.
1 Hiring a remodeling contractor to build a second floor addition can run $100-$300 a square foot for the typical addition (2-3 bedrooms and a bath plus a flight of stairs), but can go as high as $400-$500 per square foot depending on complexity, quality of materials and local labor rates.uilding a second floor (also called a second story) can added much-needed space, but costs at least 20 percent more than building the same square footage at ground level. However. if you don't have the land to build out it can make sense to go up. Typical costs:
Adding space to your home at the second or even third story can capture views, maximize square footage on a small lot and let you locate all the bedrooms on a single level. However, all that space can come at a high cost. A second story can greatly impact the rest of your home, which often means structural reinforcement on other levels. Is building up, digging down or adding on the best way to maximize your house's potential? Here's what to consider before adding another story to your home.