A gene variant is a permanent change/alteration in one or more genes. These changes are also called as genetic mutations, and can lead to genetic disorders. Gene variants can be inherited from a parent or can be developed during a person’s lifetime. Non-inherited variants examples include – environmental factors such as the ultraviolet rays from the sun.
Did you know?
As of 2017, there are a total of 324 million known variants in the sequenced human genome.