A gene duplication event in an organism results in two copies of a gene. Which one (or more) of the following outcomes is/are possible for the duplicated copy?
Show Hint
- It retains the original function.
- It acquires a new function.
- It loses function.
- It gets translated but not transcribed.
The Correct Option is A, B, C
Solution and Explanation
Step 1: Analyzing the options.
- (A) It retains the original function: After duplication, one copy of the gene may continue to function as the original gene did, while the other copy may undergo evolutionary changes.
- (B) It acquires a new function: One copy of the gene may evolve a new function, potentially providing an advantage to the organism.
- (C) It loses function: Sometimes one copy of the gene becomes non-functional due to mutations, which may still contribute to the overall genetic diversity of the organism.
- (D) It gets translated but not transcribed: This is unlikely, as translation is typically preceded by transcription in the expression of a gene.
Step 2: Conclusion.
The correct answers are (A), (B), and (C), as these are all possible outcomes for a duplicated gene.
Final Answer: (A), (B), (C)
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