Teaching Haryana (HPSC) Assistant Professor Mock Test 2025 Life Sciences Developmental Biology Gametogenesis, fertilization and early development
Certain statment are made regarding specification of germ layers in Amphibia. Select the incorrect statement.
1
The “bottom-up” specification of the frog embryo resides in a set of mRNAs that are tethered to the vegetal cortex.
2
VegT is critical in generating both endodermal and mesodermal lineages.
3
VegT encodes Nodal paracrine factors that instruct the cell layers above them to become ectoderm
4
If either Nodal or Vg1 signaling is blocked, there is little or no mesoderm induction
5
Question Not Attempted