重複ちょうふく遺伝いでんじゃありませんでした
chōfukuiden koja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 重複遺伝子

1. It wasn't a duplicated gene.; It was not a duplicate gene.

Past/Perfective
Negative
Polite
Terminal Form
Genetics