Like the Solar Saiyans, Lunars share the same chromosone. Lunar Saiyans, however, have the opposite part of it tainted. Most Lunar Saiyans have white tails.
Again, it is impossible to know if someone is a Lunar, until they reach a certain transformation, in this case its SSJ.
~All racial traits of every Saiyan subrace~
Transformations:
Super Saiyan
Req: {Same as normal Saiyans}
PL Gained: {^}
Lunar Super Saiyan
Req:{Same as Super Saiyan}
PL Gained: 2,000,000
Your hair becomes an extremly bright white color.
Lunar Super Saiyan 2
Req: 1,000,000
PL Gained: 5,000,000
Your hair can be seen from miles at night, whiter than ever.
Lunar Super Saiyan 3
Req: 5,000,000
Gained: 10,000,000
Your hair becomes extremley long and it turns pitch black.
Nightmare Oozaru
Req: 25,000,000
Gained: 25,000,000
You turn into the Great Ape, but with a black body, the darkness corrupts your aura.
Lunar Super Saiyan 4
Req: Go Nightmare Oozaru once.
Gained: 6X Original PL