Still dont get how's B the best answer:

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Here's the explanation, and there is obviously a mistake here (since the explanation is mentioned exons 3) but even then how's B the best Answer Choice?

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@aldol16 @Pono_0001 @MedVIP @neurodoc

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Here's the explanation, and there is obviously a mistake here (since the explanation is mentioned exons 3) but even then how's B the best Answer Choice?

image post
@aldol16 @Pono_0001 @MedVIP @neurodoc