Which of the following is not an example of symbiosis?

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#Question id: 15285

#Unit 5. Developmental Biology

The range of a paracrine factor (and thus the shape of its morphogen gradient) not depends on:

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#Question id: 15286

#Unit 5. Developmental Biology

In the case of the French flag model. we assume a source of morphogen at one end and a sink at the other and that the concentrations of morphogen at both ends are kept constant but are different from each other. If the cells can respond to threshold concentrations of the morphogen, Thresholds can represent the

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#Question id: 15287

#Unit 5. Developmental Biology

Following are postulates of mechanism of differentiation. Which of the following is incorrect?

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#Question id: 15288

#Unit 5. Developmental Biology

Which of the following not a property of responder cell?

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#Question id: 15289

#Unit 5. Developmental Biology

Which of the following is a property of inducer cell?

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#Question id: 15290

#Unit 5. Developmental Biology

Lens formation requires sequential events whereby the anterior neural plate signals the anterior ectoderm to promote secretion of Pax 6, which renders the anterior ectoderm more receptive to secretions from the optic vesicle. The above can be best explained by which of the following phenomenon?