SELLEST OSAST
We know Homo sapiens started in Africa, but we're uncertain about how they spread. Limited fossils and data have hindered our understanding. I'll discuss popular theories about our origins and how recent genetic data from Khoe-San people in southern Africa sheds light on this. Our research suggests a complex history, with population structures dating back to about 120,000-135,000 years ago. Early populations had connections, or gene flow, for hundreds of thousands of years. These "weakly structured stem" models explain genetic diversity that was once thought to come from other hominin species. Unlike previous ideas of interbreeding with archaic humans, our models predict that fossils from these populations should be genetically and physically similar. This variability in theories stems from not considering different possibilities, highlighting the importance of exploring various models to gain more accurate insights into our deep history. Series: "CARTA - Center for Academic Research and Training in Anthropogeny" [Humanities] [Science] [Show ID: 39269]
Inglise
Ameerika Ühendriigid
SELLES OSAS
TRANSKRIBEERI 🔗
Are you the producer of this podcast?
Add a podcast transcript
Need Audio-to-Text?
Transcribe with Listen411 in Just 60 Seconds
OTSI VARASEMAID OSASID
Otsi kanali Genetics (Audio) viimaseid osasid.
MUUD EPISOOD SELLES PODCASTIS
Are you curious about the future of medical treatments and how they might impact your health? Malcolm Moos, Jr., M.D., Ph.D., shares how cellular therapies are revolutionizing medical treatments. Explore how cells hold the potential to provide new hope for individuals facing various health challeng…
Elsy Buitrago-Delgado, Ph.D., shares how spatial analysis of RNA distribution during early mouse embryogenesis suggests that the first cell fate choice is made at the 4-cell stage. She also discusses how notch signaling regulates cell fate choices during early human development. Series: "Stem Cell …
UC Santa Cruz scientists, along with a consortium of researchers, have released a draft of the first human pangenome—a new, usable reference for genomics that combines the genetic material of 47 individuals from different ancestral backgrounds to allow for a deeper, more accurate understanding of w…
Almost every child born in the United States undergoes state-mandated newborn screening within the first 48 hours of life. The blood collected from a "heel stick" helps test for 80 different serious but treatable genetic disorders. These disorders can be either genetic (passed down in families) or …
Vastutamatussäte: Sellele lehele manustatud taskuhäälingusaade ja kunstiteosed pärinevad UCTV-lt, mis on selle omaniku omand ja ei ole seotud ettevõttega Listen Notes, Inc.
MUUDA
Aitäh, et aitad hoida podcastide andmebaasi ajakohasena.
