What is the purpose of crossing-over in meiosis

crossing over, process in genetics by which the two chromosomes of a homologous pair exchange equal segments with each other. Crossing over occurs in the first division of meiosis . At that stage each chromosome has replicated into two strands called sister chromatids.

crossing over, process in genetics by which the two chromosomes of a homologous pair exchange equal segments with each other. Crossing over occurs in the first division of meiosis . At that stage each chromosome has replicated into two strands called sister chromatids.

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certain aspects are different in eukaryotes and bacteria- expression vector is a cloning vector that contains a highly active bacterial promoter just upstream of a restriction site

expressing cloned eukaryotic genes in bacteria is the presence of non coding regions- using cDNA

Explanation: