Unit – III: Gastrulation and Neuralation (15 Hrs.)
a. Gastrulation and formation of germ layers in sea urchin, frog, birds, reptiles and
mammals,;
B.Molecular mechanism of left –right axis formation- in amphibian ,mammal and reptile
c. Neurulation-body segmentation, Hox gene control development
Unit – IV: Morphogenesis and organogenesis in animals (15 Hrs.)
a. Cell aggregation and differentiation in Dictyostelium- Life cycle of dictyostelium, cell-cell
signaling, cell adhesion molecules in Dictyostelium
b. Axes and pattern formation in Drosophila-Development of fruit fly , maternal effect gene,
c. Organogenesis – vulva formation in Caenorhabditis elegans-cell-cell interactions and
chance in the determination of cell types
d. Eye lens induction- Cascades of induction –reciprocal and sequential inductive events
- Teacher: Madhuri Walvekar Zoology