Multiple Choice
During which phase of meiosis does crossing over between homologous chromosomes occur?
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4. Genetic Mapping and Linkage
Crossing Over and Recombinants
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During meiosis I, what exactly is exchanged during crossing over between homologous chromosomes to produce recombinant chromatids?
A
Segments of DNA between non-homologous chromosomes
B
The spindle fibers attached to kinetochores
C
Corresponding segments of DNA between non-sister chromatids of homologous chromosomes
D
Entire sister chromatids between the two chromatids of the same chromosome
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