Mosaic analysis studies have demonstrated that:
A) The product of the Boss gene is required in the future R7 cell to determine R7 cell fate.
B) The product of the Sevenless gene is required in the future R7 cell to determine R7 cell fate.
C) the product of the Sevenless gene is required in the R8 cell to determine R7 cell fate.
D) the product of the Sevenless gene acts cell nonautonomously to determine R7 cell fate.
E) All of the above

Question

Quizplus · Accepted Answer

The product of the Sevenless gene acts cell autonomously in the future R7 cell to receive a signal (Boss) from the R8 cell and determine R7 cell fate.

Mosaic Analysis Studies Have Demonstrated That