Multiple Choice
Early in the developing Drosophila eye, cells next to the posterior eye disc release _______ to direct adjacent cells to differentiate into _______.
A) boss; morphogenetic furrow cells
B) sevenless; photoreceptor R8
C) hedgehog (hh) ; ommatidia
D) Sonic hedgehog (Shh) ; retinal cells
Correct Answer:

Verified
Correct Answer:
Verified
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