Cell-adhesion molecules (CAMs) mediate direct cell-cell adhesions.

TLS Online TPP Program

#Id: 7412

#Unit 5. Developmental Biology

The maintenance of patterns is regulated by reciprocal interaction between neighboring cells: cells secreting Hedgehog protein activate wingless expression in their neighbors, and the Wingless protein signal, which is received by the cells that secreted Hedgehog, serves to maintain hedgehog (hh) expression

TLS Online TPP Program

#Id: 7413

#Unit 5. Developmental Biology

Wingless protein also acts in an autocrine fashion, maintaining its own expression

TLS Online TPP Program

#Id: 7414

#Unit 5. Developmental Biology

The homologue of β-catenin in Drosophila is Armadillo.

TLS Online TPP Program

#Id: 7415

#Unit 5. Developmental Biology

The homologue of TGF-β in Drosophila is Dpp.

TLS Online TPP Program

#Id: 7416

#Unit 5. Developmental Biology

Two regions of Drosophila chromosome III contain most of homeotic genes: Antennapedia complex Bithorax complex

TLS Online TPP Program

#Id: 7417

#Unit 5. Developmental Biology

Antennapedia complex, contains the homeotic genes: Labial (lab)

Antennapedia (Antp)

Sex combs reduced (scr), Deformed (dfd) 

Proboscipedia (pb)