Sunday, January 23, 2011

Onion Root tip lab

Here is our graph from the Onion root tip lab. It shows what percent of the time the cell is in each phase of mitosis. We found the cell spends most of the time in interphase. 47.24% of the cells we found were in interphase. Interphase is when the cell prepares for cell division. The next longest phase is Prophase. We found 46.85% of the cells in prophase. Prophase is when the chromatin condenses into a highly ordered structure called a chromosome in which the chromatin becomes visible. Telophase is the next longest. 2.4% of the cells we found were in telophase. Telophase is when two daughter nuclei form. Metaphase is the next longest. 1.94% of the cells we found were in metaphase. Metaphase is when condensed & highly coiled chromosomes, carrying genetic information, align in the middle of the cell before being separated into each of the two daughter cells. the shortest phase is anaphase. 1.57% of the cells we found were in anaphase. Anaphase is when when chromosomes separate in an eukaryotic cell.

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