College Biology Quiz
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INHERITANCE & GENETICS
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Crossing over between homologous chromosomes is most likely to occur during:
A
Prophase I, when homologous chromosomes pair closely and form chiasmata between non-sister chromatids
B
Metaphase I, when bivalents are aligned and under tension from spindle fibers
C
Anaphase I, as homologous chromosomes begin to separate and move toward opposite poles
D
Prophase II, when chromosomes condense again after the brief interkinesis period
E
Metaphase II, when individual chromosomes align at the equatorial plate for the second time
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