parthenogenesis wikipedia - EAS

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  1. Virgin birth

    Parthenogenesis is a term in biology. It means virgin birth. It is an asexual form of reproduction. Females lay eggs without fertilization by a male. Growth and development of embryos occurs with all genes inherited from the mother. It occurs in both plants and animals and is much less common than sexual reproduction.
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    What do you mean by parthenogenesis?
    Parthenogenesis is a type of asexual reproduction in which the development of mostly a female gamete takes place without fertilization. This type of reproduction is mostly shown by lower plants, some reptiles, and fishes, who do not possess sex chromosomes.
    What are the different types of parthenogenesis?
    Types. Depending on the cytological mechanisms involved, parthenogenesis can be of several types, including:-Ticoparthenogenesis. Also called facultative parthenogenesis, it is called in this way when the development of unfertilized eggs occurs occasionally and spontaneously. This type of parthenogenesis is very common in animals.
    www.worldatlas.com/articles/10-animals-that-exhibit-part…
    What does the name parthenogenesis mean?
    – “Genesis”, which is equivalent to “origin or birth”. Parthenogenesis is a concept used in the biology to name a reproductive mechanism shared by certain animal and plant species. Parthenogenesis takes place when female sex cells divide repeatedly without having previously linked to a male-type gamete.
    www.vedantu.com/biology/parthenogenesis
    What are organisms demonstrate parthenogenesis?
    Parthenogenesis is a type of asexual reproduction in which a female gamete or egg cell develops into an individual without fertilization. The term comes from the Greek words parthenos (meaning virgin) and genesis (meaning creation.) Animals, including most kinds of wasps, bees, and ants, that have no sex chromosomes reproduce by this process.
    www.worldatlas.com/articles/10-animals-that-exhibit-part…
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    https://en.wikipedia.org/wiki/Parthenogenesis

    Parthenogenesis is a natural form of asexual reproduction in which growth and development of embryos occur in a gamete (egg or sperm) without combining with another gamete (e.g., egg and sperm fusing). In animals, parthenogenesis means development of an embryo from an unfertilized egg cell. … See more

    Some species reproduce exclusively by parthenogenesis (such as the bdelloid rotifers), while others can switch between sexual reproduction and parthenogenesis. This is called facultative parthenogenesis (other terms are … See more

    Gynogenesis
    A form of asexual reproduction related to parthenogenesis is gynogenesis. Here, offspring are produced by the same mechanism as in … See more

    • Dawley, Robert M. & Bogart, James P. (1989). Evolution and Ecology of Unisexual Vertebrates. Albany: New York State Museum. See more

    Parthenogenesis can occur without meiosis through mitotic oogenesis. This is called apomictic parthenogenesis. Mature egg cells are … See more

    Parthenogenesis is seen to occur naturally in aphids, Daphnia, rotifers, nematodes and some other invertebrates, as well as in many plants. Among vertebrates, strict parthenogenesis is … See more

    Androgenesis - a form of quasi-sexual reproduction in which a male is the sole source of the nuclear genetic material in the embryo.
    Charles Bonnet – Genevan botanist … See more

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  4. https://simple.wikipedia.org/wiki/Parthenogenesis

    Parthenogenesis is a term in biology. It means virgin birth. It is an asexual form of reproduction. Females lay eggs without fertilization by a male. Growth and …

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    • Parthenogenesis | Definition, Types, & Facts | Britannica

      https://www.britannica.com/science/parthenogenesis

      parthenogenesis, a reproductive strategy that involves development of a female (rarely a male) gamete (sex cell) without fertilization. It occurs …

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    • https://en.wikipedia.org/wiki/Parthenogenesis_in_squamata

      Parthenogenesis is a mode of asexual reproduction in which offspring are produced by females without the genetic contribution of a male. Among all the sexual vertebrates, the only examples of true parthenogenesis, in which all-female populations reproduce without the involvement of males, are found in squamate reptiles (snakes and lizards). There are about 50 species of lizard and 1 species of snake that reproduce solely through parthenogenesis (obligate parthenogenesis). It i…

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      • https://id.wikipedia.org/wiki/Partenogenesis
        • Partenogenesis adalah bentuk reproduksi aseksual yakni kemampuan suatu ovum untuk berkembang menjadi individu baru tanpa dibuahi sperma. Contoh partenogenesis adalah pada lebah. Ovum yang berasal dari lebah betina bila tidak dibuahi oleh sperma maka akan menjadi individu baru yakni individu jantan.
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        • https://en.wiktionary.org/wiki/parthenogenesis

          parthenogenesis (usually uncountable, plural parthenogeneses) ( biology ) Referring to various aspects of asexual reproduction: ( biology , countable , uncountable ) (An instance of) …

        • https://www.livescience.com/aquarium-shark-virgin-birth.html

          Mar 16, 2022 · "Parthenogenesis is essentially a form of inbreeding, as the genetic diversity of the offspring is greatly reduced," Dudgeon said. As such, offspring produced by …

        • Parthenogenesis - Wikipedia

          https://wiki.alquds.edu/?query=Parthenogenesis

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        • https://www.nationalgeographic.com/animals/article/...

          Aug 25, 2020 · Parthenogenesis comes from two Greek roots that literally translate to “virgin creation.” How it works Sexual reproduction involves two ingredients: an egg cell and a sperm …

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        • https://biology.stackexchange.com/questions/53562

          Nov 20, 2016 · Applying the definition of wikipedia to parthenogenesis. Here is the definition from wikipedia. Sexual reproduction is a form of reproduction where two morphologically …

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