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#Question id: 6958


Vg-1 and wnt are used in both frogs and chicks to establish a body axis, although in chicks this is the antero-posterior axis instead of the dorso-ventral axis. What is the region of the chick embryo that is thus analogous to the Nieuwkoop center?

#SCPH28 | Zoology
  1. area pellucida
  2. primitive streak
  3. posterior marginal zone
  4. Koller's sickle

Answer:- Option(s): 3


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