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How do two alleles for the same gene differ?

A. They use different rules for nitrogenous base pairing.
B. They contain slightly different codes for amino acids.
C. They are located at slightly different points on a chromosome.
D. They are made of different types of proteins.

User JoeCamel
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1 Answer

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Answer:

B. They contain slightly different codes for amino acids.

Step-by-step explanation:

User Fozoglu
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