Masana ilimin kimiya na kayan tarihi sun gano ragowar nau'in dabbobi masu dabbaka dabbobi masu shayarwa a cikin kogon Denisova da ke Altai. Lokacin da aka bincika binciken, masana kimiyya daga Cibiyar Kwayar halitta ta Kwayar halitta ta SB RAS sun gano cewa suna cikin dabbobi masu kama da juna, wanda a cikin sa ya yi kama da jaki da zebra.

Kogon Denisova a cikin Altai an ambata a karni na sha tara. Archaeologists fara binciken shi a cikin 80s na karni na karshe. Mai bincike Nikolai Ovodov ya gano shi ne don kimiyya. Kogon ya ƙunshi ragowar dabbobi 117 waɗanda suka zauna Altai a cikin ɓoye daban-daban, da abubuwa na gida daga ɗakunan al'adu sama da 20. Duk binciken ya zama farfado da kayan tarihi a cikin Novosibirsk da Biysk.

Dangane da bincike da Cibiyar Nazarin Kwayoyin Halittar Kwayoyin cuta da Sel RASS, fiye da shekaru dubu 30 da suka gabata a cikin Altai, a cikin yankin Denisova Cave, dawakai na jinsin da basu rayu ba har wa yau. A baya, an danganta irin wannan ragowar zuwa tarurrukan. Amma binciken ingantaccen nazarin halittu ya nuna cewa asalinsu waɗannan dawakan suna cikin wasu halittu ne da ake kira dawakan Ovodov. Ma'aikata na cibiyar sun yi imanin cewa dangane da bayyanar, wannan ma'auni ya yi kama da jaki da zebra.

Tsakanin zebul da jaki

“Ana kiran wannan doki doki ne kamar yadda aka sani. Idan muka gabatar da shi, zai yi kama da wani abu tsakanin jaki da zebra - gajere, ƙanana da mara kyau kamar dawakai, ”in ji Anna Druzhkova, wani masanin bincike a ɗakin Labarin Labarin Kwatanta Kwayoyin cuta.

Masana kimiyya sun bayyana cewa shekarun mafi yawan abubuwan binciken tarihi yanada kusan shekaru dubu 18. Sun ce binciken ya tabbatar da cewa a wancan zamani a cikin Altai akwai yawancin nau'ikan halittu da yawa fiye da yanzu. Fauna an wakilta shi da irin wannan nau'in jinsunan.

“Mai yiyuwa ne mutumin Denisov da sauran mazaunan tsohuwar Altai ta d hunt a farautar dokin Ovodov,” in ji masana kimiyya.

Daidai don dubawa

Masanan halittu suna nazarin ragowar dawakai ba wai daga Altai kawai ba, har ma daga Buryatia, Mongolia, da kuma yankin Turai na Rasha. Ga wasunsu, an riga an samo cikakkiyar ƙwayoyin halitta na mitochondrial, kuma zaka iya ganin waɗanne nau'ikan dabbobin zamani suke kusa da su.Mannin mamacin, shekaru 7 da suka wuce, an haƙa shi cikin Misira

Musamman, fasahar kwayar halitta tana taimakawa masu binciken ilimin halittu don sanin asalin kashi daya ko wani sashi na kashi tare da daidaito ga jinsin. Wata cikakkiyar mitochondrial nau'in halittar doki ta Ovodov, shekaru dubu 48 daga Khakassia, an yi nazari a baya, kuma an gwada shi da samfurin mai ban mamaki daga Denisova Cave, masana kimiyya daga Cibiyar Archaeology da Ethnography of the SB RAS, masana kimiyya sun gano cewa mallakar wannan nau'in dabbobi ne.

Sanarwar ta ce "Sakamakon hanyoyin kirkirar zamani, wadatar dakunan karatu don tsara tare da gutsuttsuran gabobin da ake so, da ingantaccen taro na mitochondrial, cikakkiyar mitochondrial nau'in doki na Ovodov kuma an samar da kasancewar wasu nau'ikan da ba a san su ba daga gidan dangi a yankin na Altai na zamani," in ji sakon.

Daidai da shekaru

A cewar Anna Druzhkova, a cikin kogon Denisova, yawanci ana sanannu game da datse ragowar ƙasusuwa ta hanyar yadudduka. Wannan binciken ya samo asali ne daga layin da aka kiyasta shekarun shi kusan shekaru 20,000. Koyaya, binciken radiocarbon game da samfurin ya nuna cewa ya ma tsufa. Masana ilimin kimiyya sunyi bayanin wannan ta hanyar maimaita rami, wato, motsin kasusuwa ya kasance daga shimfidar zurfi.

"Wannan ya sake nuna cewa dole ne mu mai da hankali game da aure ta hanyar yaduwa," in ji ta.

A karo na farko, an bayyana Ovodov dokin a shekarar 2009 ta sanannen masanin ilmin kimiyar kayan tarihi na Rasha Nikolai Ovodov dangane da kayan daga Khakassia. A baya an yi imani cewa wadannan kasusuwa na taron. Bayan cikakken nazarin yanayin halittar dan adam, sai aka gano cewa “gamuwa” ta Siberiya ba ta da alaƙa da tarurrukan ganawa na ainihi, amma abubuwan wasu ofan dawakai ne, yawancin dawakai kamar tarho da dawakan Przhevalsky.