In Drosophila, absence of Bicoid protein results in larvae missing anterior segments and absence of Nanos protein results in larvae missing posterior segments. Suppose you inject Bicoid protein into the posterior region of early embryos lacking Nanos. The expected result would be:
A)larvae like bicoid mutants.
B)larvae like nanos mutants.
C)larvae with two anterior regions.
D)larvae with two posterior regions.
E)None of the answer options is correct.

Question

Quizplus · Accepted Answer

The injection of Bicoid protein into the posterior region of embryos lacking Nanos would result in the formation of two anterior regions, as Bicoid promotes anterior development. This is because the absence of Nanos allows for the Bicoid protein to spread further along the embryo, resulting in two areas where Bicoid is promoting anterior development.

In Drosophila, Absence of Bicoid Protein Results in Larvae Missing