Females of some species might obtain additional resources from semen, apart from sperm, and could have evolved to seek out these bonuses from having sex, according to a new theory by UNSW scientists.

3c7czdbv 1412322053 0

Revisiting telegony and other discredited theories of inheritance through the modern lens of epigenetics will contribute to a more complete understanding of heredity, write Angela Crean and Russell Bonduriansky.

Neriidflies 1

UNSW scientists have discovered a new form of non-genetic inheritance, showing for the first time that offspring can resemble a mother’s previous sexual partner – in flies at least.