Metal singer's 10-day-old daughter throws up rock and roll sign!

Popular Japanese heavy metal singer, Nao Hazuki, shared a photo, claiming his new born daughter flipped the sign at just 10 days old.

Read: Parents recreate daughter's loved up photos with boyfriend

The new dad, who fronts the Japanese heavy-metal band, Grollschwert, claim it's not.

Some would believe that it was possible based on genes.

Just how possible is this?

Read: Woman given 100 strokes in public for committing adultery

Do you believe this is real of photoshopped?