Low semen levels in mice make for fatter sons
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/01/ticker_micefluid_free.jpg?fit=860%2C460&ssl=1)
A father lacking seminal fluid can sire a son (right) that has more fat tissue than the male offspring of a father with normal semen levels (left).
Bromfield et al./PNAS 2014
A father lacking seminal fluid can sire a son (right) that has more fat tissue than the male offspring of a father with normal semen levels (left).
Bromfield et al./PNAS 2014