Which statement about fruit fly development is false?
A) One of the earliest development events is the determination of the head and tail ends of the egg.
B) The location of the head and tail ends of the egg is primarily determined by the location of sperm entry during fertilization.
C) Homeotic genes regulate batteries of other genes that direct the anatomical identity of body parts.
D) Cascades of gene expression routinely direct fruit fly development.
Answer: B
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