During the development of the chick peripheral part of the blastoderm lies unseparated from the yolk and forms:
Correct answer: A. Area pellucida
- A. Area pellucida
- B. Area opaca
- C. Notochord
- D. Primitive streak
Explanation
During the development of a chick embryo, the peripheral part of the blastoderm that remains attached and unseparated from the yolk forms the Area pellucida.
This question appeared on the ETEA MDCAT 2010 paper, which you can sit online with every answer explained.
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About Embryonic Development
Embryonic development begins after fertilization with cleavage and formation of the morula and blastula, followed by gastrulation and the establishment of germ layers. It includes organ formation, tissue differentiation and early growth, rather than the later increase in size associated with postnatal development.
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