During meiosis, homologous chromosomes exchange genetic material. This exchange of genetic material — a increases the genetic variation

b reduces the diploid number to the haploid number

c increases the haploid number to the diploid number

d reduces the probability of mutations

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The main role of dna in the  cell is the long-term storage of information. it is often compared to a blueprint, since it contains the instructions to construct other components of the  cell, such as  proteins  and rna molecules.the main function of rna is to carry information of amino acid sequence from the genes to where  proteins  are assembled on  ribosomes  in the  cytoplasm. mark brainliest, my work is good.

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