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The early stage of embryonic development during which rapid mitotic cell divisions occur as the zygote travels down the uterine (fallopian) tube is called ________.

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biologistkhan
Answer:
               The right answer for the blank is cleavage.

Explanation:
                 After fertilization the next step is cleavage in which zygote divide mitotically. As the embryo move from oviduct down the fallopian tube it divide into two cell and then four cells. four cell embryo is known as blastomere.

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