Biological term referring to the state or condition of having male and female characteristics, often used in contexts like botany or zoology.
This plant has clearly defined sexuality.
The evolution of sexuality is an important topic in biology.
有性生殖 means sexual reproduction, a process; 雌雄性 describes the state or property of having sexes.
Compound of 雌雄 (しゆう, 'male and female') + 性 (せい, 'nature, characteristic'). The exact historical derivation is uncertain, but the term is used in modern biological contexts.