How do deletions and translocations in chromosomes often occur?
A) during meiosis I, sister chromatid exchange leads to abnormalities
B) chromosomes will break and the sticky ends will rejoin
C) chromosomes will fuse telomere to telomere
D) when cells undergo meiosis II, chromosomes naturally break when sister chromatids are being pulled apart
E) colchicine treatment causes chromosomal rearrangements
Answer: B
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