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mikael mikael
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Posts: 12017
10 years ago
During metaphase I, ______.
A) crossing over occurs
B) homologous chromosomes line up in the middle of the cell
C) the nuclear envelope breaks up
D) sister chromatids separate and migrate to opposite poles
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wrote...
9 years ago
This is for essentials biology, right? the answer is B. Bye for now.
Would you know my name, if I saw you in heaven?

Eric Clapton
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