Biology, asked by shreeyaramesh3579, 1 year ago

In eutherians umbilical cord is formed of the stalk of

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Answered by smartysurya773389
0

Answer:

The umbilical cord is formed when the body stalk and the ductus omphalo-entericus as well as the umbilical coelom are enveloped by the spreading amnion between the 4th and 8th week.

Explanation:

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