Which is correct regarding chromosome numbers during oogenesis?
A. Both primary oocytes and secondary oocytes are haploid.
B. Both primary oocytes and secondary oocytes are diploid.
C. Primary oocytes are haploid, secondary oocytes may be haploid or diploid depending on their meiotic stage.
D. Primary oocytes are haploid, secondary oocytes are diploid.
E. Primary oocytes are diploid, secondary oocytes are haploid.
Answer: E
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