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28 September, 10:49

Which of the following will occasionally produce a duplicate gene?

A) Chromosome replication during mitosis

B) Crossing-over during meiosis

C) Neutral mutation during transcription

D) Genetic drift during reproduction

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Answers (2)
  1. 28 September, 10:58
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    b / Crossing-over during meiosis
  2. 28 September, 11:12
    0
    Homologous chromosomes exchange DNA during meiosis in a process called crossing-over. Crossing-over sometimes involves an unequal swapping of DNA. Basically one chromosome in the pair gets extra DNA.
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