[ˈbækˌkrɔs]
反交，逆交：在实验遗传学中，一异型合子与一同型合子间的交配(如一杂交第一代与另一跟父或母有相同遗传型的个体之间的交配)
习惯用语double backcross
双反交：一双异型合子与一同型合子间的交配，可为分析各种基因的连锁得到最多信息- gerontotherapy
- gerontotoxon,gerontoxon
- geropsychiatry
- Gerota's capsule,method
- Gerstmann's syndrome
- gerüstmark
- Gesell developmental schedule
- gestaclone
- gestagen
- gestalt
- gestaltism
- gestation
- gestodene
- gestosis
- gestrinone
- GeV,Gev
- GFR
- G. G. G.
- GH
- Ghilarducci's reaction
- Ghon-Sachs bacillus
- Ghon-Sachs complex,focus(primary lesion,tubercle)
- ghost
- GH-RH
- G. I.