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The Whelan Method of Sex Selection is a method for increasing a couple’s probability of conceiving an infant of the desired sex through timing…
TechnologySex PreselectionGenetic sex determinationConceptionFertilizationNikolai Ivanovich Vavilov proposed theories of plant genetic diversity and participated in the political debate about genetics in Soviet Russia in…
AgrobiodiversityDavid Baltimore studied viruses and the immune system in the US during the twentieth century. In 1975, Baltimore was awarded the Nobel Prize in…
Baltimore, DavidDNAAcquired Immunodeficiency SyndromeAlejandro Sánchez Alvarado's laboratory group has employed molecular tools to investigate old questions about regeneration and as a result have…
RegenerationExperimentsLaparoscopy, a subfield of endoscopy, is a minimally invasive surgical procedure used to examine and operate on the internal organs of the abdomen…
TechnologyLaparoscopyReproductionFrancis Harry Compton Crick, who co-discovered the structure of deoxyribonucleic acid (DNA) in 1953 in Cambridge, England, also developed The Central…
DNAChromosomesNucleotide sequenceNucleic AcidsMolecular BiologyMany difficulties can arise with a pregnancy even after the sperm successfully fertilizes the oocyte. A major problem occurs if the fertilized egg…
Ectopic PregnancyPregnancy, EctopicReproductionHuman DevelopmentmedicineThis video is composed of a sequence of films created by John Tyler Bonner in the 1940s to show the life cycle of the cellular slime mold…
DictyosteliidaMoviesFrom 1993 to 1995 researchers led by Robert J. Berry from the US Centers for Disease Control headquartered in Atlanta, Georgia, and Zhu Li from…
Center for Disease ControlFolic AcidFolic Acid DeficiencyFolic acid in human nutritionNeural tube--AbnormalitiesDuring the twentieth and twenty-first centuries, Robert Paul Lanza studied embryonic stem cells, tissues, and endangered species as chief scientific…
Advanced Cell Technology (Firm)BantengCloningEmbryosEmbryonic Stem Cells