Pharmacogenomics mainly involves which of the following testing types?

Pharmacogenomics focuses on how an individual's genetic makeup affects their response to drugs. The primary testing type involved in pharmacogenomics is the assessment of single nucleotide polymorphisms (SNPs), which are variations in a person's DNA sequence that can influence the metabolism of medications. These SNPs can determine how well a drug is processed in the body, impacting its efficacy and risk of adverse effects.

Testing for SNPs helps identify individuals who may require different dosages or alternative medications based on their genetic profile, thereby personalizing treatment. Understanding these genetic variations is crucial for optimizing drug therapy and improving patient outcomes. It allows healthcare providers to tailor pharmacological interventions to the genetic characteristics of their patients, leading to more effective and safer therapeutic strategies.

Other options, such as toxicity testing with cell cultures or family studies for inherited drug resistance, do not primarily focus on the individual's genetic variations relevant to drug response. Likewise, while analyzing drug interaction effects is important, it is more about understanding how drugs interact with one another rather than how genetics influence drug metabolism and effectiveness.