染色 せんしょく たい突然 とつぜん変異 へんいじゃありません
senshokutai totsuzenhen'ijārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 染色体突然変異

1. It is not a chromosomal mutation.

Negative
Polite
Terminal Form
Genetics
Medicine