By the 25 min postinsemination, the male and female pronuclei move toward the center of blastodisc, then associate with eath other tightly, lastly confuse completely to be the zygotic nucleus.

  • 25min后,雌、雄原核向胚盘中央靠近,然后彼此接触,最后融合为合子核;

  • 互联网摘选 2025-01-20 18:04:24

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