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How do mutations lead to genetic variation?

User DBug
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2 Answers

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Some mutations don't have any noticeable effect on the phenotype of an organism. This can happen in many situations: perhaps the mutation occurs in a stretch of DNA with no function, or perhaps the mutation occurs in a protein-coding region, but ends up not affecting the amino acid sequence of the protein.
User Johnny Maelstrom
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Answer: by producing random changes in an organisms genetic code

Step-by-step explanation:

User Brewal
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