TLS Online TPP Program

#Id: 7385

#Unit 5. Developmental Biology

A posterior-to-anterior gradient of Nanos protein A posterior-to-anterior gradient of Caudal protein

TLS Online TPP Program

#Id: 7386

#Unit 5. Developmental Biology

A third set of maternal genes whose proteins generate the unsegmented extremities of the anterior-posterior axis: the acron (the terminal portion of the head that includes the brain) and the telson (tail).

TLS Online TPP Program

#Id: 7387

#Unit 5. Developmental Biology

The boundaries of the acron and telson are defined by the product of the torso gene, which is activated at the

tips of the embryo.

TLS Online TPP Program

#Id: 7388

#Unit 5. Developmental Biology

TLS Online TPP Program

#Id: 7389

#Unit 5. Developmental Biology

TLS Online TPP Program

#Id: 7390

#Unit 5. Developmental Biology