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The European genetic structure today (based on 273,464 SNPs). Three levels of structure as revealed by PC analysis are shown: A) inter-continental; B) intra-continental; and C) inside a single country (Estonia), where median values of the PC1&2 are shown. D) European map illustrating the origin of sample and population size.
5 ore fa · Now, an analysis of ancient and modern genomes suggests contemporary people’s Neanderthal DNA came from a single, prolonged period of mixing some 47,000 years ago. The findings—released last week as a bioRxiv preprint that has yet to undergo peer review—sharpen the timeline for this critical and mysterious juncture in human history.
1 giorno fa · Leggi su Sky TG24 l'articolo Morto Alberto Piazza, il genetista che demolì il concetto di razza umana
1 giorno fa · DNA Testing. The late Sr. Juan Navarro, owner and director of the Museo Arqueologico Paracas, which houses a collection of 35 of the Paracas skulls, allowed the taking of samples from three of the elongated skulls for DNA testing, including one infant. Another sample was obtained from a Peruvian skull that had been in the US for 75 years.
1 giorno fa · During her time at King’s College, Rosalind fascinatingly discovered the density of DNA. Furthermore, she learned that DNA molecules were in a helical conformation.
1 giorno fa · Agenas ha effettuato la ricognizione delle strutture pubbliche e private dotate di tecnologie NGS per fare sequenziamento genico. Online la piattaforma navigab…
1 giorno fa · Cystine was discovered in 1810, although its monomer, cysteine, remained undiscovered until 1884. [12] [10] [a] Glycine and leucine were discovered in 1820. [13] The last of the 20 common amino acids to be discovered was threonine in 1935 by William Cumming Rose , who also determined the essential amino acids and established the minimum daily requirements of all amino acids for optimal growth.
