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1.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
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1.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

User Guido Gautier
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5 votes

The answer is crossing over, or B


User Jtht
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3 votes
Homologous chromosomes exchange DNA during meiosis in a process called crossing-over. Crossing-over sometimes involves an unequal swapping of DNA. Therefore the answer is B.
User Shalugin
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