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Roe v. Wade (1973)

By: Sharaden Seward, Claudia Nunez-Eddy | Published: Jul 03, 2018

In the 1973 case of Roe v. Wade, the US Supreme Court ruled that laws banning abortion violated the US Constitution. The Texas abortion laws,…

LawBirth control clinicsAbortionFamily planning servicesAbortion--Law and legislation--United States

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

Christiane Nusslein-Volhard (1942- )

By: May Catherine, Jack Resnik | Published: Feb 16, 2012

Christiane Nusslein-Volhard studied how genes control embryonic development in flies and in fish in Europe during the twentieth and twenty-first…

DrosophilaEmbryologyGenesMorphogenesisRNA polymerases

Franklin William Stahl (1929– )

By: Victoria Hernandez | Published: Jul 20, 2017

Franklin William Stahl studied DNA replication, bacteriophages, and genetic recombination in the US during the mid-twentieth and early twenty-first…

DNA SequenceNucleotide sequenceDNA ReplicationDNA--SynthesisDNA replication--Regulation

Angelman Syndrome

By: Jonathan North | Published: Aug 12, 2014

Angelman syndrome is a disorder in humans that causes neurological symptoms such as lack of speech, jerky movements, and insomnia. A human cell has…

Angelman syndromeGenomic imprintingHuman chromosome 15--AbnormalitiesHuman chromosome 15Happy Puppet Syndrome

Sperm Capacitation

By: Stephen Ruffenach | Published: Jul 07, 2009

Sperm capacitation refers to the physiological changes spermatozoa must undergo in order to have the ability to penetrate and fertilize an egg. This…

Sperm CapacitationSpermOvaFertilization

Johannes Holtfreter (1901-1992)

By: Adam R. Navis | Published: Feb 29, 2008

Johannes Holtfreter made important discoveries about the properties of the organizer discovered by Hans Spemann. Although he spent much time away…

Organizers, EmbryonicBiographyFrogs

NuvaRing

By: Molly Jacobson | Published: Oct 13, 2022

The NuvaRing is a self-administered hormonal contraceptive device in the form of a flexible plastic ring that is inserted into the vagina. It…

TechnologyContraceptivesContraceptives, VaginalContraceptives industryContraceptive drugs

United States v. Georgia (2006)

By: Nathaniel Ross | Published: Sep 07, 2022

In United States v. Georgia, the United States Supreme Court held, in a unanimous decision, that the rights protected under the Americans with…

LawDiscrimination against people with disabilitiesDiscrimination against people with disabilities--Law and legislationGovernment liabilityCivil rights

"The linear arrangement of six sex-linked factors in drosophila, as shown by their mode of association” (1913), by Alfred Henry Sturtevant

By: Kevin Gleason | Published: May 22, 2017

In 1913, Alfred Henry Sturtevant published the results of experiments in which he showed how genes are arranged along a chromosome. Sturtevant…

DrosophilaHeredityInheritance of acquired charactersColumbia University--Graduate studentsMutation