الثلاثاء، 7 يوليو 2009
the stem cells and the genes axises
the stem cells can be considered as the way that explain the genes axises when we folow the stem cell development we will find the genes instructions play an important role to direct the cell to be in one line the genes which will be active in the stem cell will control its development to form tissue or organe in the embryo growth for example the stem cell which forms the hand tissues it folowed the genes codes and instructions these genes that activated in this cell represent the genes axises in this cell the gene will not be activated randomly it will depend on other genes activation this series is the basic in the development of baitic cells there some important example to this concept (gene axises)such the tumer supressor genes and the tumri genes the genes axises regulates the genome it represent the sub maps in the general map (the genome)
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