What does "Gene Variants" mean?
Table of Contents
Gene variants are changes in the DNA sequence that can occur in a person’s genes. These changes can happen naturally and may affect how genes work. Some gene variants have no effect at all, while others can impact a person's health or how their body functions.
Types of Gene Variants
There are different types of gene variants. Some change a single DNA building block, while others might involve larger segments of DNA. The impact of these variants can vary widely:
- Neutral Variants: Many gene variants do not affect a person's traits or health. These are often considered neutral.
- Non-Neutral Variants: Some variants do have significant effects. They can lead to diseases or influence how likely someone is to develop a condition.
Importance of Gene Variants
Studying gene variants helps scientists understand human health and disease. Some variants may provide advantages, such as better adaptation to certain environments. Others might be linked to health risks or inherited conditions.
Gene Variants and Genetic Testing
Genetic testing can identify specific gene variants in individuals. This information can be helpful for people who are at risk for certain conditions. Understanding these variants can guide decisions about health management and treatment options. Access to genetic counseling is important for interpreting test results and making informed choices.