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What happens during crossing over? 1. spindle fibers form and attach to centromeres. 2. Homologous chromosomes trade pieces of DNA. 3, Sister chromatids form tetrads and line up randomly. 4. Tetrads separate
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What happens during crossing over?

1. spindle fibers form and attach to centromeres.

2. Homologous chromosomes trade pieces of DNA.

3, Sister chromatids form tetrads and line up randomly.

4. Tetrads separate and produce two haploid daughter cells.

User FredRoger
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2. Homologous chromosomes trade pieces of DNA
User Pankaj Agrawal
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