Sexual Reproduction Mind Map 1. Expand (by writing short definitions) on words such as: meiosis, gametes, fertilisation, pollination, pollen, testes, ovaries, sperm, ova, ovulation, gonads, zygote, embryo, hermaphrodite, . Meiosis: type of cell division that results in two daughter cells each with half the chromosome number of the parent cell. Gametes: A mature female or male germ cell that interacts together with the opposite sex during intercourse. Fertilisation: a process of fertilizing an egg from the female reproductive system. Pollination: The process of pollen being transferred. Pollen: the fertilizing element of flowering plants. Testes: The male reproductive organ that produces sperm to fertalize a female egg. Ovaries: an organ that produces spermatozoa. Sperm: The mature sex cell of an animal which fertilizes the ovum which has a head and one or more long tails (flagella) for swimming. Ova: plural for ovum. Ovulation: to produce and discharge eggs from an ovary Gonads: a sex gland in which gametes are produced; an ovary or testis. Zygote: the cell produced by the union of two gametes, before itundergoes cleavage. Embryo: the young of a viviparous animal, especially of a mammal, inthe early stages of development within the womb.