Which protein decide that replicons fire once in each cell cycle

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#Question id: 31370

#Unit 5. Developmental Biology

Which would lead to a ventralized embryo in drosophila? 

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#Question id: 31372

#Unit 5. Developmental Biology

Following statements are regarding lens induction in xenopus. choose incorrect statement?

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#Question id: 31374

#Unit 5. Developmental Biology

For induction of limb bud growth Fgf8-secreting beads can substitute for the: 

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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?

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#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?

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#Question id: 31384

#Unit 5. Developmental Biology

In drosophila, the third thoracic segment is transformed into another second thoracic segment due to: