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Matthew Stanley Meselson (1930– )
By: Victoria Hernandez
| Published: May 23, 2017
Matthew Stanley Meselson conducted DNA and RNA research in the US during the twentieth and twenty-first centuries. He also influenced US policy…
Holmes, Frederic LawrenceMeselson, MatthewStahl, Franklin W.Watson, James D., 1928-Crick, Francis, 1916-2004
George Wells Beadle (1903-1989)
By: Divyash Chhetri
| Published: Mar 14, 2014
George Wells Beadle studied corn, fruit flies, and funguses in the US during the twentieth century. These studies helped Beadle earn the 1958 Nobel…
Beadle, George Wells, 1903-1989Genetics
Oliver Allison Ryder III (1946– )
By: Bailey Renee, Karen Love
| Published: Sep 14, 2017
Oliver Allison Ryder studied chromosomal evolution and endangered species in efforts for wildlife conservation and preservation at the San Diego Zoo…
San Diego ZooEscherichia coliPrzewalski's horseQuaggaBenirschke, Kurt
Wolbachia
By: Karine Prevot
| Published: Jan 29, 2015
Bacteria of the genus Wolbachia are bacteria that live within the cells of their hosts. They infect a wide range of arthropods (insects, arachnids…
WolbachiaBacteriaHost-bacteria relationshipsHost-parasite relationshipsArthropods
Stanley Paul Leibo (1937–2014)
By: Risa Aria Schnebly
| Published: Feb 05, 2021
Stanley Paul Leibo studied the cryopreservation of embryos in the US in the twentieth century. Cryopreservation is a method of preserving biological…
Low temperature engineeringCryonicsScience and civilizationEmbryo transplantationCryotherapy
Hormone Releasing Intrauterine Devices
By: Victoria Higginbotham
| Published: Jun 03, 2019
Hormone releasing intrauterine devices or hormonal IUDs are contraceptive devices placed in a woman’s uterus to prevent pregnancy by continuously…
TechnologyIntrauterine contraceptivesLevonorgestrel intrauterine contraceptivesCopper intrauterine contraceptivesProducts liability--Contraceptive drug implants
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
Role of Sonic Hedgehog (Shh) in Alcohol-Induced Craniofacial Abnormalities
By: Erica O'Neil
| Published: Oct 20, 2010
Prenatal exposure to alcohol (ethanol) results in a continuum of physical and neurological developmental abnormalities that vary depending on the…
fetal alcohol syndromeCongenital DisordersFetus
"On the Replication of Desoxyribonucleic Acid (DNA)" (1954), by Max Delbruck
By: Victoria Hernandez
| Published: Sep 21, 2017
In 1954 Max Delbruck published On the Replication of Desoxyribonucleic Acid (DNA) to question the semi-conservative DNA replication mechanism…
LiteratureHolmes, Frederic LawrenceMeselson, MatthewStahl, Franklin W.Watson, James D., 1928-
Sex-determining Region Y in Mammals
By: Troy Cox
| Published: Dec 31, 2013
The Sex-determining Region Y (Sry in mammals but SRY in humans) is a gene found on Y chromosomes that leads to the development of male phenotypes,…
Y ChromosomeTestisEmbryosChromosomesSex Chromosomes