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This Concept Map, created with IHMC CmapTools, has information related to: Module 2 - McClendon vs Cameron, the very first egg is evenly differentiated, with determined axises because Hertwig’s study, which utilized frogs, found that pricking one blastomere results in a complete embryonic formation, Mitotic spindles are divided unequally regarding totipotency and stem cells, this means that Cells can only be totipotent if split along the original plane and if the gray crescent is evenly divided, Any other plane of separation results in non-totipotent halves regarding totipotency and stem cells, this means that Cells can only be totipotent if split along the original plane and if the gray crescent is evenly divided, That cells are in contact talk talk communcating in some way that allows them to differentiate to multipotent and eventually into a a singly fated germ layer. Being able to communicate makes the cells loose totipotency Cell are only totipotent in the early cleavages, later divisions that don't develop is because they become multipotent and start to have limited fates. That results in a blasutla unable to to gastulate since a whole germ layer is lost., McClendon concluded the very first egg is evenly differentiated, with determined axises, one complete embryo would form, instead of two because the cells are still communicating, realizing they are halved. Getting one organism and a belly piece., Any other plane of separation results in non-totipotent halves regarding totipotency and stem cells, this means that Cell are only totipotent in the early cleavages, later divisions that don't develop is because they become multipotent and start to have limited fates., if two organisms don't develop, it is due to the presence of mechanical interference from the other blastomere because Mitotic spindles are divided unequally, Hertwig’s study, which utilized frogs, found that pricking one blastomere results in a complete embryonic formation regarding totipotency and stem cells, this means that Cell are only totipotent in the early cleavages, later divisions that don't develop is because they become multipotent and start to have limited fates., ectoplasm is essential to normal development; it is shared between cells in a developing embryo and if the ectoplasm is cut it allows the cells to develop into two different complete organisms, McClendon concluded if two organisms don't develop, it is due to the presence of mechanical interference from the other blastomere, Hertwig’s study, which utilized frogs, found that pricking one blastomere results in a complete embryonic formation regarding totipotency and stem cells, this means that Cells can only be totipotent if split along the original plane and if the gray crescent is evenly divided, if the ectoplasm is cut it allows the cells to develop into two different complete organisms if the cut didn't seperate completely one complete embryo would form, instead of two, the cells are still communicating, realizing they are halved. Getting one organism and a belly piece. regarding totipotency and stem cells, this means that That cells are in contact talk talk communcating in some way that allows them to differentiate to multipotent and eventually into a a singly fated germ layer., if the grey crescent is divided equally two organisms are produced, they are totipotent because Any other plane of separation results in non-totipotent halves, Mitotic spindles are divided unequally regarding totipotency and stem cells, this means that Cell are only totipotent in the early cleavages, later divisions that don't develop is because they become multipotent and start to have limited fates., McClendon concluded if the grey crescent is divided equally two organisms are produced, they are totipotent, Cameron concluded ectoplasm is essential to normal development; it is shared between cells in a developing embryo