DIC microscopy is used for visualizing extremely small details and thick objects.

TLS Online TPP Program

#Id: 4767

#Unit 5. Developmental Biology

Mutations of the maternal pie-1 gene result in germline blastomeres adopting somatic fates, with the P2 cell behaving similarly to a wild-type EMS blastomere.

TLS Online TPP Program

#Id: 4768

#Unit 5. Developmental Biology

In C. elegans, conditional specification occur in the development of the endoderm cell lineage.

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#Id: 4769

#Unit 5. Developmental Biology

Specification of the MS cell begins with maternal SKN-1 activating the genes encoding GATA transcription factors MED-1 and MED-2

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#Id: 4770

#Unit 5. Developmental Biology

The POP-1 encodes the TCF protein that binds β-catenin & blocks the pathway to the E fate by inhibiting endodermal transcription factors (END-1) in the prospective MS cell

TLS Online TPP Program

#Id: 4771

#Unit 5. Developmental Biology

POP-1 activates the TBX-35 gene.

TLS Online TPP Program

#Id: 4772

#Unit 5. Developmental Biology

The TBX-35 transcription factor activates mesodermal genes in the MS cell, including pha-4 in the pharynx and hlh-1 in muscles.