Recent research has suggested that some pseudogenes and non-protein-coding DNA code for RNAs that affect transcription of coding regions. This suggests that
A. non-protein-coding DNA has no function.
B. non-protein-coding DNA may regulate gene expression.
C. pseudogenes code for proteins.
D. pseudogenes have no function.
Answer: B
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What will be an ideal response?
Transgenic mice engineered to contain the mutant versions of the huntingtin gene with various numbers of
_____________________ repeats have phenotypes similar to humans affected by Huntington disease. Fill in the blank(s) with the appropriate word(s).