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William Thornton Mustard was a surgeon in Canada during the twentieth century who developed surgical techniques to treat children who had congenital…
PoliomyelitisTransposition of Great VesselsHemolytic AnemiaBlood GroupsBlood CellsGattaca is a 1997 science fiction film produced in the US that depicts a future society that uses reproductive technology and genetic engineering in…
LiteratureEugenicsGenetic EngineeringReproductive technologyBiotechnologyDe ovi mammalium et hominis genesi (On the Genesis of the Ovum of Mammals and of Men) is an 1827 pamphlet by Karl Ernst von Baer about the anatomical…
LiteratureBaer, Karl Ernst von, 1792-1876developmentAnatomy, ComparativeGerm CellsBarbara McClintock conducted experiments on corn (Zea mays) in the United States in the mid-twentieth century to study the structure and function of…
TransposonsCornCytogeneticsChromosomesGeneticsTelomeres are structures at the ends of DNA strands that get longer in the DNA of sperm cells as males age. That phenomenon is different for most…
TelomereAgingSpermSpermatozoaTelomeraseThe crystal jellyfish, Aequorea victoria, produces and emits light, called bioluminescence.
Green fluorescent proteinFluorescent polymersProteinsBiofluorescenceLuminescenceY-chromosomes exist in the body cells of many kinds of male animals.
Y ChromosomeX chromosomeSex ChromosomesChromosomesSex ChromatinMitochondria are organelles found in the cytoplasm of eukaryotic cells. They are composed of an outer membrane and an inner membrane.
Cell organellesMitochondriaEukaryotic cellsMitochondrionOrganellesChloroplasts are the organelles in plant and algal cells that conduct photosynthesis.
ChloroplastsPlastidsChloroplast membranesThylakoidsChlorophyllThe Southern Gastric Brooding Frog (Rheobotrahcus silus) was a frog species that lived in Australia. It was declared extinct in 2002.
EggsFrogsAustraliaTadpolesAmphibians--Larvae