Gehring tested the hypothesis that the Pax6 gene acts as a master regulator of eye development by engineering Drosophila Pax6 genes to be expressed in Drosophila antennae. What happened, and did it support or refute his hypothesis?
A. A compound eye developed on the
antenna; this supports the hypothesis.
B. A compound eye developed on the head;
this supports the hypothesis.
C. The antenna developed normally; this
falsified the hypothesis.
D. The antenna developed where the eye
normally would be; this supports the
hypothesis.
E. The antenna developed where the eye
would normally be; this falsified the
hypothesis.
A
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