Answer / Pankaj Kumar Sinha

Placenta is a temporary organ that develops in mammals during pregnancy. It provides nutrients and oxygen to the developing embryo or fetus, while removing waste products. The placenta also plays a crucial role in hormone production.

Genetically what are the two types of twins that can be generated?

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What are the archenteron and the blastopore? What is the stage of the embryonic development in which these structures are formed?

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Explain peritoneum?

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What is the main function of placenta?

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Which hormones are produced by placenta? What is their significance?

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What are the archenteron?

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What is placenta?

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Which cells are produced in the first stage of embryonic development?

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How is the yolk sac formed?

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Explain monozygotic and dizygotic twins?

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