In early vertebrate embryonic development, a number of pathways, such as Wnt, Hedgehog, and Notch, regulate differentiation and organ formation. They operate by___________ .
A) establishing anterior- posterior and dorsal- ventral symmetry
B) regulating the expression of MADS box genes
C) cell signaling mediated by receptor binding
D) transcription activation due to interaction among transcription factors
E) repressing translation of developmental RNAs

Question

Quizplus · Accepted Answer

These pathways (Wnt, Hedgehog, Notch) are known for their roles in cell signaling, which is mediated by the binding of signaling molecules to their respective receptors on cells, leading to a cascade of events that regulate differentiation and organ formation.

In Early Vertebrate Embryonic Development, a Number of Pathways, Such