Question

Pick one of the following topics (or choose one of your own) and explain what you learned about it this week. Please be very specific. This should be in your own words, with information properly cited. Please see the directions above as well.

1. Mitosis and Meiosis

2. Cell Cycle and Cancer

3. Abnormal Chromosomal Inheritance

4. Patterns of Inheritance

150 WORDS

Answer 1

The cell cycle is a complex series of pathways which is controlled by various regulatory mechanism. The progression of a cell from one stage of cell cycle to another is a controlled process. Various regulatory factors make sure that before a cell divide all the errors in its DNA are corrected and if not then the cells commit a suicide. This process of programmed cell death is called as apoptosis. However in cancer cells, the cell loses its regulatory control over cell division and leads to an uncotrolled cell proliferation. A cancer cell loses its property of undergoing apoptosis and hence continue to divide with a damaged DNA. The cause of this lose of control over cell division is becuase of a gnetic mutation which causes a malunctioning of cell cycle check points.