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23 votes
Which of the following best describes what happens during a crossover event

a. tetrads change orientation as a lineup along the center of the cell
b. chromatids of homologous chromosomes exchange corresponding segments
c. X and Y sex chromosomes overlap and combine together during metaphase
d. spindle fibers overlap and attach to the wrong chromosomes during anaphase

User Yomayra
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1 Answer

20 votes
20 votes

Answer:

tetrads change orientation as a lineup along the center of the cell

User Nayan
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