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Question
When and where do chorionic villi appear in humans?
Solution
Chorionic villi are finger-like projections that arise from the trophoblast layer that develops in the zygote after it has undergone implantation.
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State the Function of Chorionic Villi
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Read the following and answer from given below:
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Name the type of antibody that can be transferred through the placenta.
The diagram given below represents a specific stage of human embryonic development. Identify the stage.
