Multiple Choice
A crossover in meiosis is an exchange of genetic material between:
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4. Genetic Mapping and Linkage
Crossing Over and Recombinants
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Crossing over between homologous chromosomes (genetic recombination) occurs during which phase of meiosis?
A
Prophase II, as the second meiotic spindle forms
B
Anaphase I, when homologous chromosomes separate to opposite poles
C
Metaphase I, when homologous pairs align at the metaphase plate
D
Prophase I (specifically during pachytene, after synapsis has formed)
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