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Recombining of genetic information (crossing over) during prophase I of meiosis results in every chromosome being a combination of the person's mother's and father's genetic information.

Recombination of genetic information in an offspring takes place at the time of gametic union forming the zygote. The genetic variability depends on the extent of heterozygocity present in the population of that species. Role of crossing over is limited to the extent of frequency of genes present in an individual to produce variety of gametes.

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12y ago

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