There’s more to semen than we thought katoosha/Getty
Baby fish grow up differently depending on the liquid their father鈥檚 sperm swam in. The finding shows that fathers can influence their offspring through chemicals in the semen, as well as through the sperm themselves.
鈥淭here is something in the seminal plasma, maybe some non-genetic factor, that is modifying the offspring,鈥 says Jukka Kek盲l盲inen at the University of Eastern Finland in Joensuu.
Among sexually reproducing species, males produce sex cells called sperm that are carried in a liquid called semen. The sperm merge with eggs produced by females, which…
