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Parthenogenesis

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Examples

  • Parthenogenesis is known in insects, but is more rare in vertebrates, although sharks may have the ancient survivalist gene built in to some of the older species on Earth.

    The Immaculate Conception Of Sharks And Lizards « Unambiguously Ambidextrous 2008

  • Parthenogenesis is known in insects, but is more rare in vertebrates, although sharks may have the ancient survivalist gene built in to some of the older species on Earth.

    2008 February 09 « Unambiguously Ambidextrous 2008

  • “We are aware that Professor Owen and others, who have more especially studied the recently discovered astounding phenomena of generation summed up under the terms Parthenogenesis and Alternation of Generations, have pronounced against those phenomena have, as yet, helped us ‘to penetrate the mystery of the origin of different species of animals,’ and have affirmed, at least so far as observation has yet extended, that ‘the cycle of changes is definitely closed;”

    Darwin texts online - The Panda's Thumb 2006

  • Parthenogenesis occurs when food supply is plentiful and temperature high.

    Hormones and Heredity J. T. Cunningham 1897

  • But it is curious to note that were any modern divine desirous of here following in Basil's track, he might find the alleged facts in the latest modern science, -- e.g. in the so-called Parthenogenesis, or virginal reproduction, among insects, as said to be demonstrated by Siebold.

    NPNF2-08. Basil: Letters and Select Works 1895

  • Parthenogenesis occurs when an egg or ovum fuses with a cell called a sister polar body, a byproduct of ova production, rather than with male sperm, to promote cell division.

    PhysOrg.com - latest science and technology news stories 2010

  • Parthenogenesis occurs when an egg or ovum fuses with a cell called a sister polar body, a byproduct of ova production, rather than with male sperm, to promote cell division.

    Signs of the Times 2010

  • Parthenogenesis occurs when an egg or ovum fuses with a cell called a sister polar body, a byproduct of ova production, rather than with male sperm, to promote cell division.

    PhysOrg.com - latest science and technology news stories 2010

  • In 1849 Professor Owen, in his treatise on "Parthenogenesis," put forward another conception.

    On the Genesis of Species St. George Mivart

  • There is of course the further theory, entertained by some, that virgin-parturition -- a kind of Parthenogenesis -- has as a matter of fact occasionally occurred among mortal women, and even still does occur.

    Pagan and Christian Creeds: Their Origin and Meaning 1920

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