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【考研备考】2026考研《英语》真题（英一英二）及历年真题试卷含答案电子版PDF可下载

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The researchers examined207 genomes firom modern donkeys living in31 countries across the globe

They also looked at genomes from15 wild equids and31 earlier donkeys that lived between about4 ,000 and

100 years ago. The team reconstructed the animals evolutionary tree and used computer modelstopinpoin

the domestication event: when herders in Kenya and the Horn of Africa tamed wild asses. They then traced

how the animals spread across the rest of the continent into Europe and Asia about2 ,500 years later

Though it's still unclear why the original domestication happened, Science News FredaKreier reports

that the event coincided with the Sahara growing larger and drier."Donkeys are champions when it comes to

carrying stuff and are good at going at Paul Sabin deserts,"”co-author Ladovic Orlando, an evolutionary

biologist at Paul Sabin University in France, tells the publication, Prehistoric humans may have tamed

donkeys"help navigate the expanding Sahara

Researchers say these findings could help put donkeys in the spotlight. The animals could benefit fiom

more research: Currently, there are no published genomesfiom donkeys located south of the Equator in

Afirica. But understanding where the animals were first domesticated could guide archaeologists to a narrow

region to search for inisights about the original tamed donkeys.

Not only does human-understanding the equines'genetic makeup help reveal their contribution to

human history, but it also might improve their management in the fiuture, as climate change alters the planet's

environment, write the authors.

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