Exchange of segments between non-sister chromatids of homologous chromosomes is
A
Crossing over
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B
Translocation
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C
Linkage
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D
Inversion
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Solution
The correct option is A Crossing over
Crossing over is the exchange of chromosome segments between non-sister chromatids during the production of gametes. The effect is to shuffle the alleles on parental chromosomes, so that the gametes carry combinations of genes different from either parent.