d
As the oocyte grows, the nucleus becomes compressed and this causes expression of genes that direct polarity.
How does the position of the oocyte nucleus contribute to the development of the dorsal-ventral axis in Drosophila?
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a
The oocyte nucleus must remain centrally located for the dorsal-ventral axis to develop appropriately.
b
The oocyte nucleus is pushed against the ventral surface of the embryo and ensures that ventral structures will develop there.
c
As the oocyte grows, the nucleus is pushed to the side that will later become the dorsal anterior corner.
d
As the oocyte grows, the nucleus becomes compressed and this causes expression of genes that direct polarity.
1 answer