Chiasmata have no effect on fertility.
D000818:Animals; D002875:Chromosomes; D003434:Crossing Over, Genetic; D005260:Female; D005298:Fertility; D005306:Fertilization; D007313:Insecta / Q000502:physiology; D008297:Male; D008540:Meiosis; D010063:Ovum; D011995:Recombination, Genetic; D013094:Spermatozoa / Q000502:physiology; D013223:Statistics as Topic