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klemol [59]
3 years ago
12

Which of the following best describes how crossing over occurs during meiosis? . . A. During prophase I, homologous chromosomes

are lined up and pulled apart to opposite poles.. B. During prophase I, segments of chromatids are exchanged between homologous chromosomes.. C. During prophase II, chromosomes overlap and sections of each chromosome switch places.. D. During prophase II, sister chromatids trade places with each other before metaphase begins..
Biology
2 answers:
LUCKY_DIMON [66]3 years ago
8 0
<span>During prophase I, segments of chromatids are exchanged between homologous chromosomes.</span>Crossing over occurs<span> between prophase 1 and metaphase 1 and is the process where homologous chromosomes pair up with each other and exchange different segments of their genetic material to form recombinant chromosomes.
</span>
Elena-2011 [213]3 years ago
5 0

During prophase I, segments of chromatids are exchanged between homologous chromosomes.

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