Multiple choice

The points at which crossing-over occurs between homologous chromosomes are termed as

  1. chiasmata

  2. chromomere

  3. chromonemata

  4. synaptonemal complex

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A Correct answer
Explanation

During pachytene stage of meiosis I, each non-sister chromatid of homologous chromosomes exchange segments. This point of contact where crossingover takes place is termed as chiasmata.