Slide 1 9.17 Generalized model of Drosophila anterior-posterior pattern formation (Part 1) Slide 2 9.18 Normal and irradiated embryos of the midge Smittia Slide 3 9.19 Three…

Anterior-posterior patterning in Drosophila The fly body plan: Each segment has a unique identity and produces distinct structures 3 head 3 thorax 8 abdomen fate map larva…

Positional information: fields, boundaries, and gradients Positional information is specified by (1) subdivision of larger fields of cells into smaller fields, and (2) specifying…

Positional information: fields, boundaries, and gradients Positional information is specified by (1) subdivision of larger fields of cells into smaller fields, and (2) specifying…

Slide 1 Anterior-posterior patterning in Drosophila Slide 2 The fly body plan: Each segment has a unique identity and produces distinct structures 3 head 3 thorax 8 abdomen…