zài / yí / chuán / xué / shí / yàn / zhōng / fù / běn / hé / mǔ / běn / dōu / yào / jīng / guò / yán / gé / shāi / xuǎn

在遗传学实验中，父本和母本都要经过严格筛选。

In genetics experiments, both the male and female parents must be carefully selected.