Answer:
Gamete compatibility
Step-by-step explanation:
Function with games is important for sexual reproduction. Wolbachia are endosymbiotic bacteria that are maternally transmitted and exploit gamete function in many types of arthropod. 
In Drosophila, Wolbachia-infected males ' fertilization of uninfected eggs by sperm often results in an early developmental arrest. 
Therefore the answer is - 
Gamete compatibility