染色 せんしょく たい突然 とつぜん変異 へんいじゃないです
senshokutai totsuzenhen'ijanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 染色体突然変異

1. It's not a chromosomal mutation.

Negative
Polite
Casual Register
Genetics
Medicine