Multiple choice

The exchange of the corresponding parts of the adjacent paternal and maternal chromatids during meiosis is known as

  1. Chromosomal Mapping

  2. Genetic Variation

  3. Crossing Over

  4. Linkage

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C Correct answer
Explanation

Genetic recombination crossing over is the mutual exchange of the corresponding parts of the adjacent paternal and maternal chromatids of the pachytene of meiosisI, producing new combinations of genes. The chromatids resulting from the interchange of segments are known as the cross over recombinants and the chromatids that remain intact are called non-crossover parental chromatids.

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