What is the role of viruses in gene therapy?

What are regions 1 through 5 in the diagram?

Describe the function of four parts of an mRNA molecule that are not translated into a protein.

The majority of DNA in a human can be described as

In normal cells, genes are expressed, whereas in cancerous cells the normally expressed genes are turned off by epigenetic modifications. How could you reverse the epigenetic modifications to turn the genes back on?

Several human diseases are caused by an error in mRNA splicing. Explain why this occurs.

What are regions 1 through 5 in the diagram?

Alternative splicing has been estimated to occur in more than 95% of multi-exon genes. Which of the following is not an evolutionary advantage of alternative splicing?

How can understanding the gene expression pattern in a cancer cell tell you something about that specific form of cancer?

Several human diseases are caused by an error in mRNA splicing. Explain why this occurs.