A. What is the name of the specific sequence the scientists are measuring in the experiment shown below. B. For the individuals with lymphocyte pathology in the right panel, which gene is likely defective that causes the data shown? C. Explain why the length of the repeat sequence decreases with age.
In the experiment summarized below, scientists were examining the presence of specific sequences in individuals with age. In this experiment they extracted DNA from lymphocytes of various aged individuals and measured the length of a TTAGGG (in kb) repeat they found in their genomic DNA (Left Panel). In the right panel, the scientists measured the length of the same repeats in individuals with lymphocyte failure (red dots most severely effected) that have a mutation in a critical enzyme. Answer the following questions in 2-3 sentences each.
A. What is the name of the specific sequence the scientists are measuring in the experiment shown below.
B. For the individuals with lymphocyte pathology in the right panel, which gene is likely defective that causes the data shown?
C. Explain why the length of the repeat sequence decreases with age.
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