Embryonic development seems to be controlled principally by a very small number of master genes.

胚胎发育似乎主要受制于少数主导基因。

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Embryonic development is a very complicated and coordinated physiological process.

胚胎发育是非常复杂而且变化极为协调的生理过程.

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Animal cells lose their totipotency at an early stage in embryonic development.

动物细胞在胚胎发育的较早阶段便失去了其全能性.

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The velocity of the embryonic development is accelerated as thetemperature, at 20 - 33℃, is increased.

在适宜温度范围内,随着温度的升高,胚胎发育速度加快,在水温30℃时, 胚胎发育的速度比在20℃时快一倍.

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VEGF is essential for embryonic development, endochondral bone formation, female reproductive functions.

VEGF也是胚胎发育 、 软骨内骨形成 、 女性生殖系统、以及肿瘤和眼球内血管新生所必需的.

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Each layer gives rise to specific tissues embryonic development.

每个胚层产生特殊的胚胎组织.

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Homeobox gene is a sort of regulatory gene which controls embryonic development and cellular differentiation.

同源框基因是一类控制胚胎发育和细胞分化的调节基因.

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However, it remains unclear how the Nodal signaling is controlled precisely during embryonic development.

然而, 在胚胎发育中Nodal信号的强度是如何受到精确调控的,目前尚知道的不多.

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Chordates are bilaterally symmetrical, triploblastic segmented coelomates which demonstrate a deuterostomic pattern of early embryonic development.

脊索动物两侧对称 、 胚层,分节的体腔,在胚胎发育的早期过程中,显示为后口类型.

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Germination inhibitor may inhibIt'seed embryonic development; it would not relate to physiological after - ripening.

萌发抑制物的存在可能抑制了种胚发育, 而与生理学后熟过程无关.

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Mammalian primordial germ cells form and migrate to the gonad during embryonic development.

在胚胎发育时期,原始生殖细胞形成并迁移至生殖腺,形成种系囊.

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