Multiple choice

Which of the following processes of gene duplication involves unequal crossing over?

  1. Replication slippage

  2. Ectopic recombination

  3. Retrotransposition

  4. Aneuploidy

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Ectopic recombination involves unequal crossing over. In ectopic recombination, crossing over occurs between non-homologous chromosomes during meiosis. Duplication occurs at the site of exchange.