Which best explains what happens during crossing over? The chromosomes have electrical connections that allow them to line up randomly. Paired chromosomes overlap and portions of DNA switch between chromosome.

Which best explains what happens during crossing over?

The chromosomes have electrical connections that allow them to line up randomly.
Paired chromosomes overlap and portions of DNA switch between chromosome.
Genetic material is switched because the chromosomes line up independently.
Chromosomes line up randomly and cross genetic information between unpaired chromosomes.

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