Epigenetics is the Study of Heritable Alterations in Gene Expression

Question

Epigenetics is the study of heritable alterations in gene expression caused by ____.
A) mechanisms that do not alter any DNA sequence
B) the mutation of a single gene
C) translocations between alleles
D) environmental factors
E) replication and then improper repair of DNA coding mistakes

Accepted Answer

Epigenetics involves changes in gene expression that do not involve alterations to the underlying DNA sequence. These changes can be influenced by environmental factors but are not caused by changes in the DNA sequence itself.