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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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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 Hamdy Abd El Fattah
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2 Answers

4 votes

b/Crossing-over during meiosis
User Lavor
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5 votes
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.
User Karey
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7.6k points
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