Question

define the terms cleavage and implantation​

Answer 1

Answer:

Before an ovum becomes an embryo, it must undergo fertilization, cleavage, and implantation. Fertilization is the union of a sperm and an egg to form a zygote, which is a diploid cell. Cleavage serves two main purposes: it forms a multicellular embryo and organizes the embryo into developmental regions

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Answer 2

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• Before an ovum becomes an embryo, it must undergo fertilization, cleavage, and implantation. Fertilization is the union of a sperm and an egg to form a zygote, which is a diploid cell. Cleavage serves two main purposes: it forms a multicellular embryo and organizes the embryo into developmental regions.

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