Definitionadj. (of reproduction) not involving the fusion of male and female gametes in reproduction
Last update: September 11, 2015
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Many species of Thysanoptera are known to be habitually parthenogenetic. The eggs are laid on the food-plant, those females possessed of an ovipositor cutting through the epidermis and placing their eggs singly within the plant-tissues; a single female may take five or six weeks to deposit all her eggs. [Please select]
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Arrhenotoky: parthenogenetic reproduction when the progeny are all males: see thelyotoky and deuterotoky. [Please select]
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Deuterotoky: parthenogenetic reproduction when the progeny are male and female: see arrhenotoky and thelyotoky. [Please select]
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Thelyotoky: parthenogenetic reproduction when the progeny are all females see Arrhenotoly and Deuterotoky. [Please select]
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In the third parthenogenetic generation not a single egg yielded a caterpillar. [Please select]
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Eggs capable of parthenogenetic development, produced in large numbers in the ovaries of these females, give rise to young which, developing within the body of the mother, are born in an active state. [Please select]
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With most of the lower animals and even with mammals, the ova show a trace of parthenogenetic power, for without being fertilised they pass through the first stages of segmentation. [Please select]
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