TLS Online TPP Program

#Question id: 7232


During early development in sea urchin following events occur.

A. localized maternal factors in egg

B. organizer specified in vegetal region (micromeres)

C. induction of endomesoderm

D. b-catenin accumulation

E. animal–vegetal axis

which of the following sequence of developmental event is correct?

#Unit 5. Developmental Biology
  1. A-->E-->D-->B-->C
  2. A-->B-->C-->D-->E
  3. E-->A-->D-->B-->C
  4. D-->E-->A-->B-->C