Genetics & Genomic Editing: Global Cross-Cultural Milestones
Encyclopedia/1. The Cosmos & The Natural World/5. Life Sciences • Curated by Admin Timeline.sg
Genetics and genomic editing have evolved through contributions from diverse civilizations, from ancient plant breeding to modern CRISPR technology. This timeline highlights key milestones across cultures, including Mendelian inheritance, DNA structure discovery, the Human Genome Project, and revolutionary gene-editing tools.
Chronological Storyline (44 Milestones)
8000 BCE
Neolithic Plant Domestication in Fertile Crescent
Early farmers in the Fertile Crescent selectively breed wild cereals like wheat and barley, practicing artificial selection thousands of years before formal genetics. #agriculture #genetics
Neolithic Plant Domestication in Fertile Crescent By Painter of the burial chamber of Sennedjem - The Yorck Project (2002) 10.000 Meisterwerke der Malerei (DVD-ROM), distributed by DIRECTMEDIA Publishing GmbH. ISBN: 3936122202., Public domain, https://commons.wikimedia.org/w/index.php?curid=154346
500 BCE
Hippocratic Treatise on Heredity
Greek physician Hippocrates proposes that hereditary traits are transmitted via 'seeds' from all body parts, an early pangenesis theory. #medicine #history
Hippocratic Treatise on Heredity By Unidentified engraver - 1881 Young Persons' Cyclopedia of Persons and Places Upload by RedWolf 05:45, Jan 10, 2005 (UTC), Public domain, https://commons.wikimedia.org/w/index.php?curid=164808
1000 CE
Al-Zahrawi's Surgical Treatise on Hereditary Conditions
Andalusian physician Al-Zahrawi (Abulcasis) documents hereditary diseases in his medical encyclopedia 'Al-Tasrif', influencing European medicine. #medicine #islamicgoldenage
1665 CE
Hooke Discovers Cells
Robert Hooke observes cork cells under a microscope, coining the term 'cell' and laying groundwork for cell theory. #biology #science
Hooke Discovers Cells By Mary Beale - https://arthistoryproject.com/artists/mary-beale/portrait-of-a-mathematician/, Public domain, https://commons.wikimedia.org/w/index.php?curid=92677611
1831 CE
Brown Discovers Cell Nucleus
Scottish botanist Robert Brown identifies the nucleus in orchid cells, a key step in understanding cellular heredity. #botany #genetics )
1856 CE
Mendel Begins Pea Plant Experiments
Gregor Mendel starts his hybridization experiments on pea plants in Brno, establishing the laws of inheritance. #genetics #science
Mendel Begins Pea Plant Experiments By Unknown author - http://0.tqn.com/d/biology/1/0/l/e/3244238.jpg, Public domain, https://commons.wikimedia.org/w/index.php?curid=33347279
1866 CE
Mendel Publishes 'Experiments on Plant Hybrids'
Mendel presents his laws of segregation and independent assortment, but the work is largely ignored until 1900. #genetics #history
Mendel Publishes 'Experiments on Plant Hybrids' By Unknown author - NIH, Public domain, https://commons.wikimedia.org/w/index.php?curid=1394893
1869 CE
Miescher Discovers DNA
Swiss physician Friedrich Miescher isolates 'nuclein' from white blood cell nuclei, the first identification of DNA. #biochemistry #genetics
Miescher Discovers DNA By Unknown author - copied from http://www.pbs.org/wgbh/nova/photo51/images/befo-miescher.jpg, Public domain, https://commons.wikimedia.org/w/index.php?curid=789048
1900 CE
Rediscovery of Mendel's Laws by de Vries, Correns, and Tschermak
Three botanists independently rediscover Mendel's work, launching modern genetics. #genetics #science
Rediscovery of Mendel's Laws by de Vries, Correns, and Tschermak By Original: Darekk2, SVG: Palosirkka - File:Hybridogenesis in water frogs gametes.gif, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=67142604
1902 CE
Sutton and Boveri Propose Chromosome Theory of Inheritance
Walter Sutton and Theodor Boveri independently link chromosomes to Mendelian inheritance, establishing the chromosome theory. #genetics #biology
Sutton and Boveri Propose Chromosome Theory of Inheritance By Walter_sutton.jpg: Unknown Theodor_Boveri.jpg: Unknown derivative work: Earthdirt (talk) - Walter_sutton.jpg Theodor_Boveri.jpg, Public domain, https://commons.wikimedia.org/w/index.php?curid=8550969
1909 CE
Johannsen Coins 'Gene' and 'Genotype'
Danish botanist Wilhelm Johannsen introduces the term 'gene' to describe the unit of heredity, distinguishing genotype from phenotype. #genetics #terminology
Johannsen Coins 'Gene' and 'Genotype' By Unknown author - The History of Biology de Erik Nordenskiöld, Ed. Knopf, 1928 (domaine public), Copyrighted free use, https://commons.wikimedia.org/w/index.php?curid=743923
1910 CE
Morgan Discovers Sex-Linked Inheritance in Fruit Flies
Thomas Hunt Morgan's work with Drosophila melanogaster reveals sex-linked traits and confirms chromosomal theory. #genetics #biology
Morgan Discovers Sex-Linked Inheritance in Fruit Flies By Unknown author - http://resource.nlm.nih.gov/101422222, Public domain, https://commons.wikimedia.org/w/index.php?curid=549067
1928 CE
Griffith's Transformation Experiment
Frederick Griffith discovers the 'transforming principle' in bacteria, later identified as DNA. #microbiology #genetics
Griffith's Transformation Experiment By No machine-readable author provided. Madprime assumed (based on copyright claims). - No machine-readable source provided. Own work assumed (based on copyright claims)., CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=1819839
1944 CE
Avery, MacLeod, and McCarty Identify DNA as Genetic Material
Oswald Avery and colleagues demonstrate that DNA is the transforming principle, proving it carries genetic information. #genetics #biochemistry
Avery, MacLeod, and McCarty Identify DNA as Genetic Material By Bbkkk - self-made in the Naturkunste Museum in Berlin, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=3679283
1950 CE
Chargaff's Rules on DNA Base Composition
Erwin Chargaff discovers that DNA base pairs (A=T, G=C) are consistent across species, crucial for the double helix model. #biochemistry #genetics
Chargaff's Rules on DNA Base Composition By Christinelmiller - Own work, CC BY 4.0, https://commons.wikimedia.org/w/index.php?curid=79905324
1952 CE
Hershey-Chase Experiment Confirms DNA as Genetic Material
Alfred Hershey and Martha Chase use bacteriophages to definitively prove DNA, not protein, is the genetic material. #genetics #virology
Hershey-Chase Experiment Confirms DNA as Genetic Material By Thomasione - Modified from German Wikipedia [1], GFDL, https://commons.wikimedia.org/w/index.php?curid=15034881
Apr 25, 1953 CE
Watson and Crick Propose Double Helix Structure of DNA
James Watson and Francis Crick publish the double helix model of DNA, based on Rosalind Franklin's Photo 51 and Chargaff's rules. #genetics #biology
Watson and Crick Propose Double Helix Structure of DNA By Unknown author, Public domain, https://commons.wikimedia.org/w/index.php?curid=510095
Matthew Meselson and Franklin Stahl use isotope labeling to show that DNA replication is semi-conservative. #genetics #molecularbiology
1961 CE
Nirenberg and Matthaei Crack First Genetic Code
Marshall Nirenberg and Heinrich Matthaei decipher the first codon (UUU for phenylalanine), initiating the genetic code elucidation. #genetics #biochemistry
Nirenberg and Matthaei Crack First Genetic Code By NIH History Office from Bethesda - J. Heinreich Matthaei and Marshall Nirenberg, Public domain, https://commons.wikimedia.org/w/index.php?curid=82867048
1970 CE
Discovery of Restriction Enzymes by Arber, Smith, and Nathans
Hamilton Smith, Werner Arber, and Daniel Nathans discover restriction enzymes that cut DNA at specific sequences, enabling genetic engineering. #biotechnology #genetics
1972 CE
First Recombinant DNA Molecule Created by Paul Berg
Paul Berg constructs the first recombinant DNA molecule by combining DNA from different organisms, founding genetic engineering. #biotechnology #genetics
First Recombinant DNA Molecule Created by Paul Berg By Unknown author - http://profiles.nlm.nih.gov/CD/B/B/L/L/, Public domain, https://commons.wikimedia.org/w/index.php?curid=3702286
1977 CE
Sanger Develops DNA Sequencing Method
Frederick Sanger introduces the chain-termination method for DNA sequencing, enabling rapid reading of genetic code. #genomics #biochemistry
Sanger Develops DNA Sequencing Method By Estevezj - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=23264166
Kary Mullis develops PCR, a technique to amplify DNA segments, revolutionizing molecular biology and diagnostics. #biotechnology #genetics
Kary Mullis Invents Polymerase Chain Reaction (PCR) By Madprime - Own work, CC0, https://commons.wikimedia.org/w/index.php?curid=2104468
1985 CE
First Human Genetic Disease Mapped: Huntington's
Using DNA markers, the gene for Huntington's disease is mapped to chromosome 4, a milestone in human genetics. #genetics #medicine
First Human Genetic Disease Mapped: Huntington's By Dr. Steven Finkbeiner, Gladstone Institute of Neurological Disease, The Taube-Koret Center for Huntington's Disease Research, and the University of California San Francisco - Study Using Robotic Microscope Shows How Mutant Huntington's Disease Protein Affects Neurons. Press releases. National Institute of Neurological Disorders and Stroke (2004-10-13). Retrieved on 2009-03-15., CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=6232031
Oct 1, 1990 CE
Human Genome Project Launched
An international consortium begins sequencing the entire human genome, a 13-year effort involving scientists worldwide. #genomics #science
Human Genome Project Launched By U.S. Department of Energy, Human Genome Project - http://www.ornl.gov/hgmis, Public domain, https://commons.wikimedia.org/w/index.php?curid=2485616
Jul 5, 1996 CE
Dolly the Sheep Cloned
Ian Wilmut and colleagues at the Roslin Institute clone Dolly the sheep from an adult somatic cell, proving mammalian cloning possible. #biotechnology #cloning )
1998 CE
RNA Interference Discovered in C. elegans
Andrew Fire and Craig Mello discover RNA interference (RNAi), a gene-silencing mechanism, earning the 2006 Nobel Prize. #genetics #molecularbiology
RNA Interference Discovered in C. elegans By Dan Cojocari ✉·✍· - Own, This W3C-unspecified vector image was created with Adobe Illustrator., CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=8697221
Jun 26, 2000 CE
Draft Human Genome Sequence Announced
The Human Genome Project and Celera Genomics jointly announce a rough draft of the human genome sequence. #genomics #science
Apr 14, 2003 CE
Human Genome Project Completed
The complete human genome sequence is published, with 99% of the euchromatic genome sequenced to 99.99% accuracy. #genomics #science
2005 CE
First Next-Generation Sequencing Platform Released
454 Life Sciences launches the first next-generation sequencer, dramatically reducing sequencing cost and time. #genomics #technology
2007 CE
First Genome-Wide Association Study (GWAS) Published
The Wellcome Trust Case Control Consortium publishes a landmark GWAS identifying genetic variants for seven common diseases. #genetics #medicine
First Genome-Wide Association Study (GWAS) Published By Sarah A. Howles, Akira Wiberg, Michelle Goldsworthy, Asha L. Bayliss, Anna K. Gluck, Michael Ng, Emily Grout, Chizu Tanikawa, Yoichiro Kamatani, Chikashi Terao, Atsushi Takahashi, Michiaki Kubo, Koichi Matsuda, Rajesh V. Thakker, Benjamin W. Turney & Dominic Furniss - Genetic variants of calcium and vitamin D metabolism in kidney stone disease. Nature Communications 10, 5175 (2019). https://doi.org/10.1038/s41467-019-13145-x, CC BY 4.0, https://commons.wikimedia.org/w/index.php?curid=110859268
May 20, 2010 CE
First Synthetic Bacterial Genome Created by J. Craig Venter Institute
Scientists create the first self-replicating synthetic bacterial cell (Mycoplasma mycoides JCVI-syn1.0) with a chemically synthesized genome. #syntheticbiology #genetics
Jun 28, 2012 CE
CRISPR-Cas9 Gene Editing Demonstrated by Doudna and Charpentier
Emmanuelle Charpentier and Jennifer Doudna publish the mechanism of CRISPR-Cas9 as a programmable gene-editing tool. #genetics #biotechnology
CRISPR-Cas9 Gene Editing Demonstrated by Doudna and Charpentier By Deposition authors: Nishimasu, H., Ishitani, R., Nureki, O.; Visualization author: Synpath - Atom coordinates: https://www.rcsb.org/structure/4OO8; Visualization: Own work, CC0, https://commons.wikimedia.org/w/index.php?curid=133423568
Jan 3, 2013 CE
First CRISPR Editing of Human Embryos Reported in China
Chinese scientists use CRISPR to modify human embryos (non-viable), sparking global ethical debates. #genetics #ethics
Apr 18, 2015 CE
Chinese Scientists Edit Human Embryo Genome with CRISPR
A team at Sun Yat-sen University publishes the first peer-reviewed paper on CRISPR editing of human embryos, raising ethical concerns. #genetics #ethics
Aug 2, 2016 CE
First CRISPR Clinical Trial Approved in China
Chinese researchers receive approval to test CRISPR-edited T cells in lung cancer patients, a pioneering human trial. #genetics #medicine
Oct 19, 2017 CE
First In Utero Gene Therapy Trial for Hunter Syndrome
A clinical trial in the US uses in utero gene therapy to treat Hunter syndrome before birth. #genetics #medicine
First In Utero Gene Therapy Trial for Hunter Syndrome By Ciencias Españolas KoS - File:ADN_2.png File:Pince_a_épiler.png, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=75624775
Nov 26, 2018 CE
He Jiankui Claims First Gene-Edited Babies
Chinese scientist He Jiankui announces the birth of twin girls with edited CCR5 genes, sparking international condemnation. #genetics #ethics
He Jiankui Claims First Gene-Edited Babies By The He Lab - This image has been extracted from another file, CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=74768423
Dec 20, 2019 CE
FDA Approves First CRISPR Therapy (Casgevy) for Sickle Cell Disease
The US FDA approves Casgevy (exagamglogene autotemcel), a CRISPR-based therapy for sickle cell disease and beta-thalassemia. #genetics #medicine
Oct 7, 2020 CE
Nobel Prize in Chemistry Awarded to Doudna and Charpentier for CRISPR
Emmanuelle Charpentier and Jennifer Doudna receive the Nobel Prize for developing CRISPR-Cas9 gene editing. #genetics #nobel
Jun 8, 2021 CE
First Pig-to-Human Kidney Transplant with Gene Edits
Surgeons at NYU Langone transplant a gene-edited pig kidney into a brain-dead human, a step toward xenotransplantation. #genetics #medicine
First Pig-to-Human Kidney Transplant with Gene Edits By Jansen of Lorkeers S, Gho J, Koudstaal S, van Hout G, Zwetsloot P, van Oorschot J, van Eeuwijk E, Leiner T, Hoefer I, Goumans M, Doevendans P, Sluijter J, Chamuleau S - S1 Video from Jansen of Lorkeers S, Gho J, Koudstaal S, van Hout G, Zwetsloot P, van Oorschot J, van Eeuwijk E, Leiner T, Hoefer I, Goumans M, Doevendans P, Sluijter J, Chamuleau S (2015). "Xenotransplantation of Human Cardiomyocyte Progenitor Cells Does Not Improve Cardiac Function in a Porcine Model of Chronic Ischemic Heart Failure. Results from a Randomized, Blinded, Placebo Controlled Trial". PLOS ONE. DOI:10.1371/journal.pone.0143953. PMID 26678993. PMC: 4683045., CC BY 4.0, https://commons.wikimedia.org/w/index.php?curid=46153841
Mar 22, 2022 CE
Complete Human Genome Sequence Published (Telomere-to-Telomere)
The Telomere-to-Telomere consortium publishes the first truly complete human genome sequence, filling gaps from the HGP. #genomics #science
Nov 16, 2023 CE
UK Approves First CRISPR Therapy for Sickle Cell and Beta-Thalassemia
The UK's MHRA approves Casgevy, the first CRISPR-based therapy, for sickle cell disease and beta-thalassemia. #genetics #medicine
Jan 15, 2024 CE
First In Vivo CRISPR Therapy for Genetic Blindness
A clinical trial uses CRISPR to edit genes directly in the retina of patients with Leber congenital amaurosis, showing vision improvement. #genetics #medicine
