In a dihybrid two traits are crossed
D. Eating foods full of sodium, salts, fats and sugars can contribute to all of these.
• Genes can contain more than one polyadenylation site, which alters the 3' of the mRNA transcript and the inclusion/exclusion of exons.
• mRNA transcripts from the same gene can be differentially spliced to include/exclude exons.
The answer is B I'm pretty sure of it.
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