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Francis Harry Compton Crick (1916-2004)
By: Amanda Andrei
| Published: Nov 01, 2013
Francis Harry Compton Crick, who co-discovered the structure of deoxyribonucleic acid (DNA) in 1953 in Cambridge, England, also developed The Central…
DNAChromosomesNucleotide sequenceNucleic AcidsMolecular Biology
Anne Laura Dorinthea McLaren (1927-2007)
By: Aroob Khokhar
| Published: Jun 23, 2010
Anne Laura Dorinthea McLaren was a developmental biologist known for her work with embryology in the twentieth century. McLaren was the first…
PeopleFertilizationBiographyMice
Sex Determination in Humans
By: Risa Aria Schnebly
| Published: Jul 16, 2021
In humans, sex determination is the process that determines the biological sex of an offspring and, as a result, the sexual characteristics that they…
Sex DeterminationGenetic sex determinationIntersex peopleDiscrimination against intersex peopleStevens, N. M. (Nettie Maria), 1861-1912
Paternal Sperm Telomere Elongation and Its Impact on Offspring Fitness
By: Joanna Yang, Zane Bartlett
| Published: Feb 07, 2017
Telomeres are structures at the ends of DNA strands that get longer in the DNA of sperm cells as males age. That phenomenon is different for most…
TelomereAgingSpermSpermatozoaTelomerase
Wilhelm Johannsen's Genotype-Phenotype Distinction
By: B. R. Erick Peirson
| Published: Dec 07, 2012
Wilhelm Johannsen in Denmark first proposed the distinction between genotype and phenotype in the study of heredity in 1909. This distinction is…
Johannsen, W. (Wilhelm), 1857-1927Genotype-environment interactionPhenotypeHeredityGenetics
Benjamin Harrison Willier (1890-1972)
By: Karen Wellner
| Published: Jun 28, 2010
Benjamin Harrison Willier is considered one of the most versatile embryologists to have ever practiced in the US. His research spanned most of the…
TransplantationBiography
"The Origin and Behavior of Mutable Loci in Maize" (1950), by Barbara McClintock
By: Federica Turriziani-Colonna
| Published: Oct 24, 2014
The Origin and Behavior of Mutable Loci in Maize, by Barbara McClintock, was published in 1950 in the Proceedings of the National Academy of Sciences…
LiteratureMcClintock, Barbara, 1902-1992ChromosomesTransposonsCorn
Cystic Fibrosis
By: Kristina Winikates
| Published: Jan 01, 2012
Cystic fibrosis (CF) is a fatal, inherited disease found in humans and characterized by buildup of thick, sticky mucus, particularly in the…
Cystic FibrosisGeneticsDiseases
Charles Benedict Davenport (1866-1944)
By: Cera R. Lawrence
| Published: May 12, 2011
Charles Benedict Davenport was an early twentieth-century experimental zoologist. Davenport founded both the Station for Experimental Evolution and…
PeopleEugenicsReproductionZoologypublic health
“A Proposed Structure for the Nucleic Acids” (1953) by Linus Pauling and Robert Brainard Corey
By: Victoria Hernandez
| Published: Aug 26, 2019
In February 1953, Linus Pauling and Robert Brainard Corey, two scientists working at the California Institute of Technology in Pasadena, California,…
LiteratureDNAGeneticsX-ray crystallography--TechniqueCrystallography, X-Ray