Mutants (The Gifted)

Mutants are individuals who possess a genetic trait called the "X-Gene" that allows them to naturally develop superhuman powers and abilities and sometimes affecting their appearance.

The Gifted
In a parallel timeline, in which the X-Men and Brotherhood of Mutants had disappeared after an incident in Dallas, Texas known as the 7/15 incident a band of Mutants formed together to fill the void of the X-Men. Headed by John Proudstar aka Thunderbird and Lorna Dane aka Polaris the Mutant Underground was formed to help protect mutants form unfair and unjust persecution form bigoted humans and the mutant hunting police force known as Sentinel Services.

Genetics
Mutants are born with a genetic trait called the "X-Gene", which alters the physiological structure of the individuals granting them superhuman powers and abilities, some of these powers the result of alteration of their appearance. These alterations, called mutation, is seemingly random and its rare (but not impossible) for two mutants to share the same mutation.

Notable Mutants

 * Polaris
 * Thunderbird
 * Eclipse
 * Andrew Strucker
 * Lauren Strucker
 * Reed Strucker
 * Otto Strucker
 * Sage
 * Pedro
 * Esme Frost
 * Phoebe Frost
 * Sophie Frost
 * Reeva Payge

Trivia

 * In the comics, mutants were created due to a race of beings known as the Celestials experimenting on humans in the ancient past, giving them the X-Gene.
 * In the comics, class 5 mutants, are known as omega-level mutants; they are the strongest and most powerful of the mutant race.