in sexual reproduction sperm is a vehicle for the genes from the father to the offspring
sexual_reproduction is biological_reproduction. sexual_reproduction is not reproduction. sexual_reproduction is reproduction. human_sperm_cell is sperm_cell. spermicide is birth_control. spermicide is contraceptive. reproduction is not sexual_activity. reproduction is sexual_activity. sexual_reproduction is not biological_reproduction. offspring is product_of_sexual_activity.