Following statements are regarding to the early development of C.elegans (expression of PIE-1):

A. Segregation of PIE-1 determinant into the P1 blastomere at the 2-cell stage

B. The sperm centrosome activates the presence of the PAR-3/PAR-6 complex in the posterior of the egg

C. PIE-1 is degraded in the resulting anterior AB cell, it is preserved in the posterior P1 cell

D. PIE-1 is degraded in the resulting posterior P1 cell, it is preserved in the anterior AB cell

Which of the following combination is incorrect?

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#Question id: 31291

#Unit 5. Developmental Biology

In case of recessive mutant of Antennapedia, the gene fails to be expressed in the second thoracic segment, then what will occurs?

TLS Online TPP Program

#Question id: 31292

#Unit 5. Developmental Biology

Location of the involuting marginal zone cells of amphibian gastrulation is called as:

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#Question id: 31293

#Unit 5. Developmental Biology

In zygote, cortical reaction exposed a region opposite the point of sperm entry, this region is called as:

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#Question id: 31294

#Unit 5. Developmental Biology

Which of the following statements is incorrect about “bottom-up” specification?

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#Question id: 31295

#Unit 5. Developmental Biology

Which of the following cells become Nieuwkoop center?

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#Question id: 31296

#Unit 5. Developmental Biology

If either Nodal or Vg1 signaling is blocked in Xenopus laevis, resulting;