Place the Following Events in Chronological Order

question 30

Short Answer

Place the following events in chronological order.
A. Expression of Spineless in R7 cells
B. Expression of Boss in R8 cells
C. Expression of rhodopsins in R8 cells
D. Induction of R7 cell fate
E. Induction of R8 cell fate

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Definitions:

Hinge Joint

A type of synovial joint that allows movement in one plane, similar to the motion of a door hinge, commonly found in the knee and elbow.

Anterior Fontanel

The largest and most notable soft spot on a baby's skull, which eventually closes as the skull bones fuse.

Sagittal Suture

A fibrous joint that connects the two parietal bones of the skull along the midline, resembling a seam, contributing to the skull's rigidity and shape.

Synovial Fluid

A viscous, non-Newtonian fluid found in the cavities of synovial joints, serving to reduce friction between the articular cartilages during movement.