劣性 れっせい遺伝 いでん形質 けいしつでしょう
resse ii den keishitsudeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 劣性遺伝形質

1. Likely a recessive trait.; Possibly a recessive trait.

Polite
Presumptive
Conjecture