Question

the study of how gene expression is turned on and off, attentive to interaction between dna, rna, proteins and environment.

phylogenetics
epigenetics
polygenetics
population genetics

Explanation:

Analyze the definition in the prompt

The question asks for the field of study concerned with how gene expression is turned on and off, focusing on interactions between DNA, RNA, proteins, and the environment.

Evaluate the given options

• Phylogenetics: The study of evolutionary relationships among biological entities.
• Epigenetics: The study of heritable changes in gene expression (active versus inactive genes) that do not involve alterations to the underlying DNA sequence, often influenced by environmental factors.
• Polygenetics: Refers to traits controlled by multiple genes (polygenic inheritance).
• Population Genetics: The study of genetic variation within and among populations.

Identify the correct term

The description matches the definition of Epigenetics.

Answer:

• Phylogenetics
• Epigenetics (Correct answer)
• Polygenetics
• Population Genetics