Which event could result in an inversion? A)A 360^° rotation of a chromosomal region following two double-strand breaks in a chromosome's DNA. B)A crossover between two DNA sequences in different places on the same chromosome and that are inverted repeats of each other. C)A crossover between two repeated DNA sequences that are in different places on the same chromosome and are oriented in the same direction. D)A crossover between two repetitive sequences on different chromosomes.

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An inversion can occur when there is a crossover between inverted repeats on the same chromosome, leading to a segment of the chromosome being flipped in orientation.

Which Event Could Result in an Inversion