With Respect to Epimutations, Which, If Any, of the Following

question 29

Multiple Choice

With respect to epimutations, which, if any, of the following statements, is false, from a practical viewpoint?

• A) The term epimutation means an unexpected change in chromatin conformation, causing a gene to be expressed in an abnormal way that is not related to its base sequence.
• B) A primary epimutation is a change in chromatin confirmation that is not related directly to any change in the base sequence.
• C) A secondary epimutation arises from a standard mutation that results in a profound change of expression in a gene that regulates chromatin conformation.
• D) A "chromatin disease" is a disorder that is consistently caused by a primary epimutation.

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Definitions:

Poly(Lactic Acid)

A biodegradable and bioactive thermoplastic derived from renewable resources, such as corn starch or sugarcane.

Stereochemistry

The study of the spatial arrangements of atoms within molecules and their impact on the chemical properties of those molecules.

Crystalline Polymers

Polymers characterized by a highly ordered molecular structure with regions of well-aligned molecular chains, giving them unique physical properties.

Long-Chain Polymers

Macromolecules consisting of a large number of monomer units connected by covalent bonds, typically featuring high molecular weights.