Stem Cells What is a stem cell? Stem cells founder the ability to divide for indefinite periods in culture and to realise rise to specialized cells. They are best described in the context of normal human arrestment. Human gainment begins when a sperm fertilizes an egg and creates a single cell that has the potency drop to form an entire organism. This fertilized egg is totipotent, meaning that its potential drop is total. In the first hours after stuffing, this cell divides into resembling totipotent cells. This booster that either one of these cells, if placed into a womans uterus, has the potential to develop into a fetus.
In fact, analogous twins develop when ii totipotent cells separate and develop into two individual, genetically identical human beings. About four days after dressing and after several cycles of cell division, these totipotent cells begin to specialize, forming a hollow sphere of cells, called a blastocyst. The blastocyst has an outer practice of cells and...If you want to get a full essay, order it on our website:
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