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Cleavage is the first stage of embryonic development, occurring immediately after the egg and sperm fuse to form a zygote.
Which of the following developmental milestones occurs during cleavage in mammals? Select ALL that apply.
The embryo becomes multicellular.
The embryo’s size increases substantially.
The embryo develops limb buds.
The embryo is organized into future developmental regions.
The embryo forms a fluid-filled cavity at its center.