Understanding Genetic Crossover: What Does It Mean?

Learn what genetic crossover is and how it increases genetic variation during meiosis.

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Genetic crossover refers to a process during meiosis in which two chromosomes pair up and exchange segments of their genetic material. This increases genetic variation in the offspring, as new combinations of genes are created.

FAQs & Answers

  1. What happens during genetic crossover? Genetic crossover occurs when chromosomes pair up and exchange segments of their genetic material, creating new gene combinations.
  2. Why is genetic crossover important? It increases genetic variation in offspring, which is crucial for evolution and adaptation to changing environments.
  3. Is genetic crossover the same as mutation? No, genetic crossover involves exchanging genetic material between chromosomes, while mutation refers to a change in the DNA sequence.
  4. At what stage does genetic crossover occur? Genetic crossover occurs during meiosis, specifically in prophase I when homologous chromosomes pair up.