Study Reveals Blood Group Variations May Have Contributed to Neanderthal Extinction

FR
Published:

A recent study published in the journal Scientific Reports has shed light on the potential reasons behind the extinction of Neanderthals, suggesting that unique blood group characteristics may have played a crucial role. Researchers at Aix-Marseille University analyzed the genomes of ancient populations, revealing that Neanderthals possessed a rare Rh blood group variant that could have been incompatible with early Homo sapiens during any interbreeding events, resulting in high risks of hemolytic disease in newborns.

Neanderthals, who existed for thousands of years, had limited diversity in their red blood cell antigens, which could have hindered their ability to adapt to changing environments compared to early humans. In contrast, modern humans exhibit a greater variety of red blood cell variants that evolved after leaving Africa, particularly while inhabiting the Persian Plateau.

Study lead author Stéphane Mazières emphasized that the lack of blood compatibility could have led to significant reproductive challenges for Neanderthals, particularly in mixed unions with early humans or Denisovans. This genetic analysis not only highlights the biological factors contributing to Neanderthal extinction but also aligns with archaeological findings regarding their population dynamics and diminishing numbers over time.

This research adds a new dimension to our understanding of humanity's evolutionary history and the complex interplay between genetics and survival.

Weekly Newsletter

News summary by melangenews

Loading...

More from France

France Faces Outrage Over Teen Murder Linked to Phone Theft

A tragic incident in Paris has sparked widespread outrage in France after a 14-year-old student, Elias B., was fatally stabbed by two teenagers during an alleged robbery for his mobile phone. The attack occurred on Friday evening outside the Jules-Noël sports center in the 14th arrondissement. Despite efforts from a friend who administered first aid, Elias succumbed to his injuries in the hospital the following morning, according to police reports. The suspects, aged 16 and 17, were arrested within an hour of the incident and were already known to authorities for previous offenses, including theft and robbery. They were previously scheduled to appear in juvenile court for a violent robbery. Paris police chief Laurent Nuñez stated that the attack was motivated solely by the desire to steal, describing a concerning rise in violence among minors. In response, French Interior Minister Bruno Retailleau condemned the attack as “barbaric,” while Justice Minister Gérald Darmanin announced plans to add at least 100 youth judges to address what he called a “dysfunctional” system. Lawmakers are also considering stricter penalties for young offenders as violent crimes involving juveniles continue to escalate.
FR

Tragic Avalanche Claims Life of Skier in French Alps

A large avalanche in the French Alps has resulted in the tragic death of a 55-year-old man. Local officials confirmed that the dual Brazilian-Portuguese national's body was discovered at the Les Grands Montets ski resort, located at the foot of Mont Blanc. The avalanche, measuring 1 kilometer in length and 400 meters in width, struck on Tuesday afternoon at approximately 16:35 local time. Initially, reports incorrectly identified the victim as British; however, local authorities clarified this misinformation. The deadly avalanche occurred in an off-piste area where the man had been skiing. Rescue operations were initiated after ski patrols observed the avalanche while preparing to close the area due to perilous conditions. Upon arrival, rescue teams pronounced the skier dead at the scene. Authorities from the Haute-Savoie prefecture have urged skiers and hikers to exercise extreme caution and adhere to safety guidelines, particularly given the heightened avalanche risk experienced in January.
FR

French PM Criticizes Elon Musk's Influence on Democracies

French Prime Minister Francois Bayrou has expressed concerns over billionaire Elon Musk's influence, stating that he poses a significant threat to democracies. In a local TV interview on January 28, 2025, Bayrou asserted, "Money should not give the right to rule consciences," highlighting the dangers of financial power affecting public opinion and governance. Bayrou's remarks follow his previous warnings about the potential domination of France and Europe by U.S. President Donald Trump and his policies. He urged European nations to take a stand to prevent being "dominated... crushed... marginalized." The statement adds to the ongoing discourse about the growing influence of wealthy individuals on political systems and public discourse, a topic that has gained traction in recent years.
FR