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  2. Sex organ - Wikipedia

    en.wikipedia.org/wiki/Sex_organ

    A sex organ, also known as a reproductive organ, is a part of an organism that is involved in sexual reproduction. Sex organs constitute the primary sex characteristics of an organism. Sex organs are responsible for producing and transporting gametes , as well as facilitating fertilization and supporting the development and birth of offspring.

  3. Sexual reproduction - Wikipedia

    en.wikipedia.org/wiki/Sexual_reproduction

    Sexual reproduction is a type of reproduction that involves a complex life cycle in which a gamete (haploid reproductive cells, such as a sperm or egg cell) with a single set of chromosomes combines with another gamete to produce a zygote that develops into an organism composed of cells with two sets of chromosomes . [1]

  4. Sex - Wikipedia

    en.wikipedia.org/wiki/Sex

    Sexual characteristics are physical traits of an organism (typically of a sexually dimorphic organism) which are indicative of or resultant from biological sexual factors. These include both primary sex characteristics , such as gonads , and secondary sex characteristics .

  5. Reproduction - Wikipedia

    en.wikipedia.org/wiki/Reproduction

    Sexual reproduction is a biological process that creates a new organism by combining the genetic material of two organisms in a process that starts with meiosis, a specialized type of cell division. Each of two parent organisms contributes half of the offspring's genetic makeup by creating haploid gametes . [ 8 ]

  6. Sexual characteristics - Wikipedia

    en.wikipedia.org/wiki/Sexual_characteristics

    Sexual characteristics are physical traits of an organism (typically of a sexually dimorphic organism) which are indicative of or resultant from biological sexual factors. These include both primary sex characteristics , such as gonads , and secondary sex characteristics .

  7. Gamete - Wikipedia

    en.wikipedia.org/wiki/Gamete

    Gametes are an organism's reproductive cells, also referred to as sex cells. [2] The name gamete was introduced by the German cytologist Eduard Strasburger in 1878. [3]

  8. Reproductive system - Wikipedia

    en.wikipedia.org/wiki/Reproductive_system

    The reproductive system of an organism, also known as the genital system, is the biological system made up of all the anatomical organs involved in sexual reproduction.Many non-living substances such as fluids, hormones, and pheromones are also important accessories to the reproductive system. [1]

  9. Sex-determination system - Wikipedia

    en.wikipedia.org/wiki/Sex-determination_system

    A sex-determination system is a biological system that determines the development of sexual characteristics in an organism. [1] Most organisms that create their offspring using sexual reproduction have two common sexes and a few less common intersex variations.