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Shoukhrat Mitalipov and Masahito Tachibana's Mitochondrial Gene Replacement Therapy Technique

By: Giselle Lee | Published: Sep 06, 2017

In 2009, Shoukhrat Mitalipov, Masahito Tachibana, and their team of researchers developed the technology of mitochondrial gene replacement therapy to…

TechnologymonkeysGurdon, J. B. (John Bertrand)Briggs, Robert, -1983King, Thomas J. (Thomas Joseph), 1921-2000

The Carapacial Ridge of Turtles

By: Guido Caniglia | Published: Jan 01, 2012

Two main elements characterize the skeletal morphology of turtles: the carapace and the plastron. For a turtle, the carapacial ridge begins in the…

TurtlesMorphology (Animals)EmbryosGerm CellsEmbryology

Apoptosis in Embryonic Development

By: Zane Bartlett | Published: Jun 08, 2017

Apoptosis, or programmed cell death, is a mechanism in embryonic development that occurs naturally in organisms. Apoptosis is a different process…

ApoptosisGenetic regulationCaenorhabditis elegansCellsGerm Cells

"The Developmental Capacity of Nuclei Taken from Intestinal Epithelium Cells of Feeding Tadpoles" (1962), by John B. Gurdon

By: Giselle Lee | Published: Mar 16, 2017

In 1962 researcher John Bertrand Gurdon at the University of Oxford in Oxford, England, conducted a series of experiments on the developmental…

Cell nuclei--TransplantationGenetic EngineeringNuclear TransplantationUniversity College (University of Oxford)Xenopus laevis

"Presence of Fetal DNA in Maternal Plasma and Serum" (1997), by Dennis Lo, et al.

By: Cassidy Possehl | Published: Mar 07, 2017

In the late 1990s researchers Yuk Ming Dennis Lo and his colleagues isolated fetal DNA extracted from pregnant woman’s blood. The technique enabled…

AmniocentesisChorionic Villus SamplingFetusObstetricsDNA

Oswald Theodore Avery (1877-1955)

By: Samantha Hauserman | Published: Dec 12, 2013

Oswald Theodore Avery studied strains of pneumococcus of the genus Streptococcus in the US in the first half of the twentieth century. This bacterium…

Bacterial TransformationDNAHeredityPathologyImmunology

Francois Jacob (1920-2013)

By: Valerie Racine | Published: Sep 29, 2014

Francois Jacob studied in bacteria and bacteriophages at the Institut Pasteur in Paris, France, in the second half of the twentieth century. In…

BacteriaOperonsLac OperonGenetic regulationEscherichia coli--Genetics
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Sanger Sequencing

By: Tea Zawilak | Published: Aug 08, 2025

Sanger sequencing is a laboratory method that scientists use to determine the sequence of nucleotides within a piece of deoxyribonucleic acid, or DNA…

Sequence Analysis, DNAGenomicsPolymerase chain reactionNucleotide sequenceGenetics

Noninvasive Fetal Aneuploidy Detection for Trisomy 21, 13, and 18

By: Cassidy Possehl | Published: Apr 06, 2017

Noninvasive fetal aneuploidy detection technology allows for the detection of fetal genetic conditions, specifically having three chromosomes, a…

TechnologyDown syndromeAneuploidyLo, Y. M. DennisCleft Palate

Beadle and Ephrussi's Transplantation Technique for Drosophila

By: Divyash Chhetri | Published: Jun 29, 2014

Boris Ephrussi and George Wells Beadle developed a transplantation technique on flies, Drosophila melanogaster, which they described in their 1936…

TechnologyTissue ExtractsGenesTransplantation of organs, tissues, etc.Tissue Transplantation