The evolution of phally polymorphism inB
โ
Claudie Doums; Philippe Jarne
๐
Article
๐
1996
๐
Springer-Verlag
๐
English
โ 599 KB
In the hermaphrodite freshwater snail Bulinus truncatus, two sexual morphs, euphallic (regular hermaphrodites) and aphallic individuals without a male copulatory organ, co-occur at various ratios in natural populations. Both aphallic and euphallic individuals can reproduce by selfing, but when outcr