Fertilization is defined as

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Multiple Choice

Fertilization is defined as

Explanation:
Fertilization is the union of egg and sperm to create a new cell. This moment forms a zygote that contains a complete set of chromosomes from both parents and marks the start of development. After fertilization, the zygote begins to divide to become a multicellular embryo, then moves to the uterus to implant, and later the placenta forms to support growth. The other options describe these later stages, not fertilization itself.

Fertilization is the union of egg and sperm to create a new cell. This moment forms a zygote that contains a complete set of chromosomes from both parents and marks the start of development. After fertilization, the zygote begins to divide to become a multicellular embryo, then moves to the uterus to implant, and later the placenta forms to support growth. The other options describe these later stages, not fertilization itself.

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