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Biology 9 Online
OpenStudy (anonymous):

52. What are the two elements of meiosis that add variation to our population? Hint: one occurs in prophase I and the other in metaphase

OpenStudy (gitface):

In Prophase I, crossing over of the chomosomes occurs, which swaps genetic information. In Metaphase I, the chromosomes line up at the cell equator with random orientation.

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