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#Question id: 5526


The allantois

#5. Developmental Biology
  1. Occurs in birds but not in mammals

  2. Is an outgrowth of the amnion in all animals producing it

  3. Contributes blood vessels to the umbilical cord in mammals

  4. Becomes the placenta in mammals


Answer:- Option(s): 3


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#8. Inheritance Biology

Which of the following is not a protein or group of proteins required for conjugation to occur?

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