In mice, the gene for insulin-like growth factor is imprinted. During embryonic development, only the paternal allele for insulin-like growth factor is expressed. This means
A. that the paternal allele is imprinted.
B. that the maternal allele is imprinted.
C. that the paternal allele is mutated.
D. that the paternal allele is hyper-methylated.
E. that the maternal allele is expressed.
Answer: B
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Compare and contrast the chromosome structure of viruses, bacteria, and eukaryotes
What will be an ideal response?
Is this statement true or false? Explain your answer
"Since introns do not contain protein-coding information, they do not have to be removed precisely (meaning, a nucleotide here and there should not matter) from the primary transcript during RNA splicing."