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TLS Online TPP Program

#Id: 3224

Xeroderma pigmentosum (XP) is a human disease caused by mutations in any one of several nucleotide excision repair genes.

#Unit 3. Fundamental Processes #DNA damage and repair mechanisms #Part B Pointers
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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