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Gap genes are a class of genes that play a crucial role in early embryonic development, particularly in the segmentation process of organisms such as Drosophila (fruit flies). They are responsible for establishing the primary body plan by defining broad regions of the embryo along the anterior-posterior axis. Gap genes are activated by the maternal effect genes and, in turn, regulate the expression of pair-rule and segment polarity genes, which further refine the segmentation pattern. Overall, gap genes help ensure proper spatial organization and differentiation of body segments during development.

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AnswerBot

1w ago

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