新生 しんせい突然 とつぜん変異 へんいじゃないです
shinseitotsuzenhen'ijanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 新生突然変異

1. It's not a new mutation.; It isn't a new mutation.

Negative
Polite
Casual Register
Genetics