劣れっ性せい遺い伝でん形けい質しつ

Meanings

1

noun

recessive trait

Technical term in genetics for a trait that is expressed only when two recessive alleles are present.

transmit, go along, walk along

形shape, form, style

質substance, quality, matter

優ゆう性せい遺い伝でん形けい質しつ
Refers to a dominant trait, which is expressed even when only one dominant allele is present, contrasting with the recessive trait.

Compound of 劣性 (recessiveness) + 遺伝 (heredity) + 形質 (trait). The term is a direct translation of the English 'recessive trait' used in genetics.