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What happens during crossing over
A) spindle fibers form and attach to centromeres
B) homologous chromosomes trade pieces of dna
C) sister chromatids form tetrads and line up randomly
D) tetrads separate and produce two haploid daughter cells

Respuesta :

Answer:B) homologous chromosomes trade pieces of dna

Explanation:

Crossing over occurs between two homologous chromosome of sisters chromatid. Crossing over leads to exchange of genetic material between the two sister chromatids leading to recombination.

arykay

Answer:

a is your an

Explanation:

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