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Bacteria of the genus Wolbachia are bacteria that live within the cells of their hosts. They infect a wide range of arthropods (insects, arachnids…
WolbachiaBacteriaHost-bacteria relationshipsHost-parasite relationshipsArthropodsIllustration of the animal-vegetal gradient in Xenopus laevis ( African clawed frog) eggs after fertilization.
BlastulaOrganismsAll cells that have a nucleus, including plant, animal, fungal cells, and most single-celled protists, also have mitochondria. Mitochondria are…
CellsCell organellesMitochondriaPlant mitochondriaEndosymbiosisWhen cells-but not DNA-from two or more genetically distinct individuals combine to form a new individual, the result is called a chimera. Though…
ContextChimerismEmbryosEmbryonic Stem CellsMosaicismThe Southern Gastric Brooding Frog (Rheobotrahcus silus) was a frog species that lived in Australia. It was declared extinct in 2002.
EggsFrogsAustraliaTadpolesAmphibians--LarvaeThis diagram shows the life cycle of Neurospora crassa, a mold that grows on bread. N.
Neurospora crassaMicrobiologyMicroscopyGrowthdevelopmentIn 2007, Françoise Baylis and Jason Scott Robert published “Part-Human Chimeras: Worrying the Facts, Probing the Ethics” in The American Journal of…
LiteratureChimerismNeuronsChimeraGeneticsThe Southern Gastric-Brooding Frog (Rheobatrachus silus) was an aquatic frog that lived in south-east Australia. In 2002, the International Union…
Sexual behavior in animalsReproductive BehaviorExtinction (Biology)Extinct animalsCloning