Exchange of sections of chromatids of synapsing chromosomes during melosis is termed………………………….

Explanation

**Step-by-Step Text Solution:**

1. **Understanding Meiosis**: Meiosis is a type of cell division that reduces the chromosome number by half, resulting in the production of gametes (sperm and eggs). It involves two rounds of division: meiosis I and meiosis II.

2. **Homologous Chromosomes**: During meiosis, homologous chromosomes (one from each parent) pair up. Each chromosome consists of two sister chromatids.

3. **Synapsis**: The process where homologous chromosomes come together and align closely is known as synapsis. This occurs during prophase I of meiosis.

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