OBJECTIVE LIFE SCIENCE
DEVELOPMENTAL BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Emboly involves only the hypoblast layer of the chick embryo.
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TRUE
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FALSE
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -layer of cells, called the hypoblast, between the inner cell mass and the cavity. These cells contribute to the formation of the embryonic endoderm, from which derive the respiratory and digestive tracts.
Detailed explanation-2: -Embryonic Development of the Hypoblast: The inner cell mass (ICM) segregates into a bilaminar embryonic disc (bilaminar blastoderm) which consists of two epithelial layers, each of a distinct lineage: the external (dorsal) epiblast and the internal (ventral) hypoblast.
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