Uncoupling cell fate determination from patterned cell division in the Drosophila eye

J C de Nooij1, I K Hariharan

  • 1Massachusetts General Hospital Cancer Center, Charlestown 02129, USA.

Science (New York, N.Y.)
|November 10, 1995
PubMed

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Determination01:51

Determination

During embryogenesis, cells become progressively committed to different fates through a two-step process: specification followed by determination. Specification is demonstrated by removing a segment of an early embryo, “neutrally” culturing the tissue in vitro—for example, in a petri dish with simple medium—and then observing the derivatives. If the cultured region gives rise to cell types that it would normally generate in the embryo, this means that it is specified. In contrast, determination...