劣性 れっせい遺伝 いでん形質 けいしつじゃないです
resse ii den keishitsujanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 劣性遺伝形質

1. It's not a recessive trait.; It isn't a recessive trait.

Negative
Polite
Casual Register