07Bionotes

07Bionotes - 11/5/2007 12:32:00 AM Development 3:...

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04/11/2007 23:32:00 Development 3: Induction, Cleavage, and Gastrulation  Ch. 19 pp437-438; Ch 42 pp 919-932 Production of differential gene expressision MAIN WAYS CELL DIFFERENTIATE FROM ONE ANOTHER neighboring cells can induce neighbors into becoming different cells. o Cytoplasmic Segrefation ie stem cell partititons its proteins to one side of the cell.  Diceides sch that one cells retians the ability to divie the the  other differentiates into something new.  It can ahppen during any time in development o Induction Caenorhabditis elegans procies a striking example of induction adult consists of 959 cells that develop from the fertilized eff by a precise  pattern of cell divisions and other events organism is very small small number of cells (about a 1000)  great model organism easyt o tack cells. It is transparent
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07Bionotes - 11/5/2007 12:32:00 AM Development 3:...

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