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Thalidomide, a drug capable of causing fetal abnormalities (teratogen), has caused greater than ten thousand birth defects worldwide since its…
ContextThalidomideThalidomide--Side effectsTeratogenicity testingMultiple MyelomaIn September 1979, China's Fifth National People's Congress passed a policy that encouraged one-child families. Following this decision from the…
ContextethicsReproductionFertilityGovernmentFarmers have long relied on genetic diversity to breed new crops, but in the early 1900s scientists began to study the importance of plant genetic…
ContextGermplasm resources, PlantGermplasm resources, Plant--StorageAgrobiodiversityCropsIn the early twentieth century, scientists and agriculturalists collected plants in greenhouses, botanical gardens, and fields. Seed collection…
ContextGermplasm resources, PlantGermplasm resources, Plant--StorageAgrobiodiversityCropsWhen 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 CellsMosaicismHwang Woo-suk, a geneticist in South Korea, claimed in Science magazine in 2004 and 2005 that he and a team of researchers had for the first time…
ContextbioethicsHuman cloning--Research--Law and legislationInformed consent (Medical law)Oocyte DonationThalidomide is a sedative drug introduced to European markets on 1 October 1957 after extensive testing on rodent embryos to ensure its safety. Early…
ContextTeratogenicity testingAbnormalities, HumanThalidomide--Side effectsThalidomide