Drosophila eggs acquire an initial asymmetry before fertilization as a result of
A. maternal DNA molecules being deposited in one end of the egg.
B. nurse cell migration to one end of the egg.
C. production of bicoid proteins in one end of the egg.
D. attachments of cadherins to one end of the cell.
E. maternal mRNA being deposited in one end of the egg.
Answer: E
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