Strong expression is first observed in prechordal plate at the stage of 50% epiboly, l the stained cells then migrate to the proctodeum.
整胚原位杂交结果显示该基因最早主要在50%外包期的前脊索盘中表达，既而迁移到原
处。
Strong expression is first observed in prechordal plate at the stage of 50% epiboly, l the stained cells then migrate to the proctodeum.
整胚原位杂交结果显示该基因最早主要在50%外包期的前脊索盘中表达，既而迁移到原处。
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