Multiple choice

In mammals, the developing embryo is connected with placenta by

  1. umblical cord

  2. allantois

  3. uterus

  4. amnion
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A Correct answer
Explanation

In mammals, the developing embryo is connected with placenta by umblical cord. During prenatal development, the umbilical cord is physiologically and genetically part of the fetus and, (in humans), normally contains two arteries (the umbilical arteries) and one vein (the umbilical vein), buried within Wharton's jelly.

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