Which of the following is the best definition of a gene?

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A A thread-like structure of DNA that carries genetic information.
B A length of DNA that codes for a specific protein.
C The entire genetic material of an organism.
D A different version of a particular gene.

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Answer: B. A length of DNA that codes for a specific protein.

Answer: B) A length of DNA that codes for a specific protein.
Explanation: A gene is a specific section of DNA that contains the instructions for making a particular protein, which in turn determines a specific characteristic or trait.

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Which of the following is the best definition of a gene?

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