Mosaic Analysis Studies Have Demonstrated That

Multiple Choice

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