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Q.
Crossing over is the exchange of genetic material between
J & K CETJ & K CET 2011Principles of Inheritance and Variation
Solution:
Crossing over is a process that produces new combination of genes by interchanging of segments between non-sister chromatids of homologous chromosomes. It occurs between homologous chromosomes at four standard stage during pachytene of prophase-I of meiosis-I.