From: Transgenerational effects of paternal heroin addiction on anxiety and aggression behavior in male offspring
Generations
Average number of offspring
Control
Heroin
F0
11 ± 0.44
6 ± 1.04*
F1
11 ± 0.48
12 ± 0.32
F2
10 ± 0.29
10 ± 0.39
F3
11 ± 0.27
10 ± 0.33