TLS Online TPP Program

#Question id: 5652


What generalization can be applied to the pole plasm of Drosophila, the P-granules of C. elegans, the yolk-free vegetal cytoplasm of Xenopus, and the localized mRNA for vasa in zebrafish?

#Unit 5. Developmental Biology
  1. All mark the posterior end of the antero-posterior axis.

  2. All are present at fertilization in the vegetal pole of the egg.

  3. All are determinants that specify the dorso-ventral axis of the fertilized egg.

  4. All mark the special region of cytoplasm, the germplasm, that is involved in specification of germ cells.