What Is Artificial Parthenogenesis? What Is Paedogenesis?


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Artificial parthenogenesis: A variety of marine invertebrates (e.g. sea urchins), frogs, salamanders, and even rabbit have been produced by artificial parthenogenesis as demonstrated by Jacques Loeb. The stimuli employed included shaking, pricking, heat, dilute organic acids, and hypertonic salt solutions. By pricking, thousands of frog eggs, Loeb induced development in many eggs, obtained over 200 tadpoles, and reared nearly 100 individuals of both sexes. One (fatherless) rabbit resulted from artificial stimulation of an egg later implanted in the uterus of a female.

Paedogenesis: Parthenogenesis among larvae is referred to as paedogenesis. Larvae of the gall fly (Miaster) produce eggs that develop parthenogenetically to yield other larvae. The larval stage called sporocyst in the liver flukes (Trematoda), produces unfertilized eggs that give rise to another larva known as the redia.

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