Complex sentence: For example, deletion of Aurora A in C. elegans results in an initial seperation of the cell's centrosomes followed by an immediate collapse of the asters but deletion in Xenopus disallows the mitotic spindle from ever even forming.
Split into simpler sentences: For example, deletion of Aurora A in C. elegans results in an initial seperation of the cell's centrosomes followed by an immediate collapse of the asters. In Xenopus, deletion disallows the mitotic spindle from ever even forming.