When telomerase appears in a cell,it is not because the coding sequences of the gene have been changed.Instead,the protein produced is essentially normal,but it is being produced at an abnormal time.A gene that is normally repressed has been activated for some reason.Such an alteration in cell behavior is referred to as a(n)_________ change.

Question

Quizplus · Accepted Answer

An epigenetic change refers to an alteration in gene expression that occurs without changes to the DNA sequence. In the case of telomerase appearing in a cell, it is due to the activation of a normally repressed gene, rather than a mutation in the gene itself. This is an example of an epigenetic change.

When Telomerase Appears in a Cell,it Is Not Because the Coding