Therapeutic cloning is a process of producing embryonic stem cells that could possibly be used to grow healthy tissues and organs. The process involves the removal of the nucleus from a mature somatic cell and injecting this nucleus into an unfertilized egg. The egg then begins to divide and, after four to five days, embryonic stem cells begin to form. These embryonic stem cells are unique in that they can develop into different types of tissues, and scientists believe they can direct the cells to develop into specific tissue types that they choose. What are some possible applications of therapeutic cloning? Explain your answer. BIU E I

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Cell division involves the formation of new daughter cells from the parent cells. It is a part of the cell cycle that takes place in both prokaryotic and eukaryotic organisms. Cell division is required for three main reasons: