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#Question id: 31378
#Unit 5. Developmental Biology
The following experimental manipulations were carried out with Xenopus embryo.
Manipulation X: Exposure to UV radiation leading to the failure of cortical rotation.
Manipulation Y: Gastrulae treated with lithium chloride.
The following statements were made with respect to the above manipulations. Which one of the following represents correct statement?
TLS Online TPP Program
#Question id: 31379
#Unit 5. Developmental Biology
The cadherin catenin complex is extremely important during compaction from a morula to the blastula. Transition of early embryonic cells into a blastula differed depending on the presence or absence of calcium ions. In addition, an investigator blocked the expression of β-catenin using vivo morpholinos to detect its effect simultaneously on compaction. Which one of the following conditions will lead to the most successful transition of the morula into the blastula?
TLS Online TPP Program
#Question id: 31384
#Unit 5. Developmental Biology
In drosophila, the third thoracic segment is transformed into another second thoracic segment due to:
TLS Online TPP Program
#Question id: 31387
#Unit 5. Developmental Biology
A sheet of cells that grows anteriorly from Koller’s sickle combines with the primary hypoblast to form the complete hypoblast layer is termed as:
TLS Online TPP Program
#Question id: 31390
#Unit 5. Developmental Biology
Which one of the following best describes, the number or amount of different cell types that particular stem cell type can generate?
TLS Online TPP Program
#Question id: 31405
#Unit 5. Developmental Biology
The acquisition of a given cell identity based on its position or, more specifically, on the interactions that cell has with the other cells, phenomena known as: