noun, noun which may take the genitive case particle 'no'
introgression
Technical term in biology for the movement of genes from one species into the gene pool of another through repeated backcrossing.
Introgression causes gene flow across species boundaries.
Introgression from a related species was confirmed in this plant population.
遺伝子流動 (gene flow) is a broader term for any movement of genes between populations, while 遺伝子移入 specifically refers to gene flow between species via hybridization and backcrossing.
Compound of 遺伝子 (gene) and 移入 (introduction, importation). The term is a direct translation of the English biological term 'introgression'.