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anzuresmason

The early stages of embryonic development begin with fertilization. The process of fertilization is tightly controlled to ensure that only one sperm fuses with one egg. After fertilization, the zygote undergoes cleavage to form the blastula.

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The formation of a zygote after fertilization and undifferentiated cell are common features during the earliest stages of embryo development.

  • In vertebrates, fertilization is the process by which two geminal cells fuse to form a zygote, which will develop into an adult organism.

  • The cells are all in an undifferentiated state during the earliest stages of embryonic development.

  • After this process, the cells begin to differentiate to form a defined structure known as gastrula.

In conclusion, the formation of a zygote after fertilization and undifferentiated cell are common features during the earliest stages of embryo development.

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