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What is the stage of the cell cycle at which primary oocytes are arrested?

AProphase I

BMetaphase I

CProphase II

DMetaphase II

Answer:

A. Prophase I

Read Explanation:

Oogonia are formed during fetal development. Soon they start undergoing meiosis but are arrested at Prophase I awaiting further cues of division. Oogonia at this stage are called primary oocytes.


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