{"id":39504,"date":"2026-04-08T17:23:09","date_gmt":"2026-04-08T17:23:09","guid":{"rendered":"https:\/\/www.europesays.com\/sk\/39504\/"},"modified":"2026-04-08T17:23:09","modified_gmt":"2026-04-08T17:23:09","slug":"neandertalci-zmizli-z-povrchu-zeme-kvoli-sexu-nie-kvoli-vojne-hovori-nova-studia-vosveteit-sk","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/sk\/39504\/","title":{"rendered":"Neandert\u00e1lci zmizli z povrchu Zeme kv\u00f4li sexu, nie kv\u00f4li vojne, hovor\u00ed nov\u00e1 \u0161t\u00fadia | Vosveteit.sk"},"content":{"rendered":"

Z\u00e1nik neandert\u00e1lcov<\/a> patr\u00ed medzi tie t\u00e9my, ktor\u00e9 vedcom nedaj\u00fa spa\u0165 u\u017e desa\u0165ro\u010dia. Dlho dominovala predstava, \u017ee ich Homo sapiens jednoducho vytla\u010dili, silou, technol\u00f3giou alebo lep\u0161ou adapt\u00e1ciou. Nov\u0161ia \u0161t\u00fadia<\/a> v\u0161ak pos\u00fava cel\u00fd pr\u00edbeh in\u00fdm smerom. Namiesto priameho konfliktu ukazuje pomal\u00fd proces, v ktorom zohralo hlavn\u00fa rolu mie\u0161anie oboch druhov.<\/p>\n

Dnes u\u017e vieme, \u017ee ku kr\u00ed\u017eeniu skuto\u010dne doch\u00e1dzalo. \u013dudia eur\u00f3pskeho aj \u00e1zijsk\u00e9ho p\u00f4vodu nes\u00fa vo svojom gen\u00f3me<\/a> pribli\u017ene 1 a\u017e 2 percent\u00e1 DNA po neandert\u00e1lcoch<\/a>. To znamen\u00e1, \u017ee na\u0161i predkovia sa s nimi nestret\u00e1vali len okrajovo, ale mali s nimi aj potomkov. O to zauj\u00edmavej\u0161ie je, \u017ee v doteraz analyzovan\u00fdch neandert\u00e1lskych gen\u00f3moch sa stopa DNA modern\u00e9ho \u010dloveka objavuje len ve\u013emi obmedzene, pr\u00edpadne v\u00f4bec.<\/p>\n

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Odoberaj Vosveteit.sk cez Telegram a prihl\u00e1s sa k odberu spr\u00e1v
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S in\u00fdm vysvetlen\u00edm pri\u0161iel Chris Stringer z Natural History Museum<\/a> spolu s kolegami. Pod\u013ea nich neandert\u00e1lci nezmizli n\u00e1hle, ale postupne sa geneticky premie\u0161ali s popul\u00e1ciou Homo sapiens.<\/p>\n

\u201eNavrhujeme, \u017ee toto spr\u00e1vanie mohlo vies\u0165 k vyhynutiu neandert\u00e1lcov, ak sa pravidelne kr\u00ed\u017eili s Homo sapiens,\u201c vysvet\u013euje Stringer.<\/p>\n

\"V\u00fdskumn\u00edci\"V\u00fdskumn\u00edciZdroj: DALL-E<\/p>\n

Ka\u017ed\u00fd tak\u00fdto vz\u0165ah toti\u017e znamenal, \u017ee jeden jedinec u\u017e neposilnil vlastn\u00fa komunitu, ale prispel do tej druhej.<\/p>\n

Kr\u00ed\u017eenie nebol jedin\u00fd faktor, ktor\u00fd prispel k z\u00e1niku Neandert\u00e1lcov<\/p>\n

Tento mechanizmus by s\u00e1m o sebe nesta\u010dil, keby neandert\u00e1lci st\u00e1li na pevnej demografickej p\u00f4de. Len\u017ee pr\u00e1ve tu sa ukazuje ich slabina. U\u017e tis\u00edce rokov pred pr\u00edchodom modern\u00e9ho \u010dloveka \u017eili v mal\u00fdch, izolovan\u00fdch skupin\u00e1ch a ich genetick\u00e1<\/a> diverzita klesla na ve\u013emi n\u00edzku \u00farove\u0148. In\u00fdmi slovami, boli si geneticky extr\u00e9mne podobn\u00ed.<\/p>\n

Neprehliadni
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\"Tvoje\"Tvoje <\/p>\n

\n\t\t\t\t\tPopul\u00e1rna spravodajsk\u00e1 aplik\u00e1cia pre iOS a Android dostala ve\u013ek\u00fa aktualiz\u00e1ciu. Pribudlo mno\u017estvo nov\u00fdch funkci\u00ed, ktor\u00e9 mus\u00ed\u0161 vysk\u00fa\u0161a\u0165 <\/p>\n

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To vytvorilo situ\u00e1ciu, ktor\u00fa by si mohol nazva\u0165 demografickou pascou. Ke\u010f do tak\u00e9hoto syst\u00e9mu vst\u00fapil po\u010detnej\u0161\u00ed a mobilnej\u0161\u00ed Homo sapiens<\/a>, rovnov\u00e1ha sa za\u010dala r\u00faca\u0165. Ka\u017ed\u00fd neandert\u00e1lec, ktor\u00fd si zalo\u017eil rodinu mimo vlastnej skupiny, predstavoval pre t\u00fato skupinu stratu. A ke\u010f\u017ee t\u00fdchto str\u00e1t prib\u00fadalo, popul\u00e1cia sa postupne sten\u010dovala a\u017e do bodu, z ktor\u00e9ho sa u\u017e nedok\u00e1zala spam\u00e4ta\u0165.<\/p>\n

Do cel\u00e9ho obrazu zapadaj\u00fa aj detaily, ktor\u00e9 p\u00f4sobia na prv\u00fd poh\u013ead nen\u00e1padne, no m\u00f4\u017eu ve\u013ea vysvetli\u0165. Neandert\u00e1lci mali v\u00fdrazn\u00e9 nado\u010dnicov\u00e9 obl\u00faky a ich tv\u00e1r p\u00f4sobila pomerne \u201estaticky\u201c. Naopak, Homo sapiens mal plochej\u0161ie \u010delo a pohybliv\u00e9 obo\u010die, ktor\u00e9 umo\u017e\u0148ovalo jemnej\u0161ie vyjadrenie em\u00f3ci\u00ed. Tento rozdiel mohol ovplyvni\u0165 komunik\u00e1ciu viac, ne\u017e by sa zdalo.<\/p>\n

\u201eJazykov\u00e9 rozdiely boli pravdepodobne v\u00e4\u010d\u0161ie, ne\u017e si dnes vieme predstavi\u0165,\u201c poznamen\u00e1va Stringer: \u201eAk k tomu prid\u00e1me odli\u0161n\u00fa mimiku, dostaneme situ\u00e1ciu, kde si obe strany mohli nespr\u00e1vne vysvet\u013eova\u0165 sign\u00e1ly. To, \u010do jeden druh vn\u00edmal ako neutr\u00e1lne alebo priate\u013esk\u00e9 gesto, mohol druh\u00fd pochopi\u0165 ako hrozbu.\u201c<\/p>\n

Ani jazykov\u00e1 bari\u00e9ra nezabr\u00e1nila vz\u0165ahom medzi druhmi<\/p>\n

Napriek tomu k mie\u0161aniu doch\u00e1dzalo. A pr\u00e1ve to n\u00e1s priv\u00e1dza k mo\u017eno najzauj\u00edmavej\u0161iemu d\u00f4sledku celej te\u00f3rie. Ak neandert\u00e1lci \u201evymizli\u201c t\u00fdmto sp\u00f4sobom, v skuto\u010dnosti \u00faplne nezmizli. Ich genetick\u00e9 dedi\u010dstvo pre\u017e\u00edva v n\u00e1s. Tie pribli\u017ene 2 % DNA nepredstavuj\u00fa len n\u00e1hodn\u00fd zvy\u0161ok minulosti.<\/p>\n

\"neandertalci\"\"neandertalci\"Zdroj: lorenza62 \/ Shutterstock.com<\/p>\n

Ovplyv\u0148uj\u00fa fungovanie imunitn\u00e9ho syst\u00e9mu, reakcie na niektor\u00e9 v\u00edrusy<\/a>, ale aj \u010fal\u0161ie biologick\u00e9 procesy, ako je zr\u00e1\u017eanlivos\u0165 krvi \u010di sp\u00e1nkov\u00fd rytmus. V niektor\u00fdch pr\u00edpadoch sa sp\u00e1jaj\u00fa aj s predispoz\u00edciami k ur\u010dit\u00fdm psychick\u00fdm stavom.<\/p>\n

To znamen\u00e1, \u017ee neandert\u00e1lci n\u00e1m odovzdali v\u00fdbavu, ktor\u00fa si sami budovali st\u00e1tis\u00edce rokov v n\u00e1ro\u010dn\u00fdch podmienkach Eur\u00f3py a \u00c1zie. Homo sapiens tieto vlastnosti nevyvinul od nuly, ale do istej miery ich \u201ezdedil\u201c. Aj v\u010faka nim sa dok\u00e1zal r\u00fdchlej\u0161ie prisp\u00f4sobi\u0165 nov\u00e9mu prostrediu.<\/p>\n

Z\u00e1rove\u0148 v\u0161ak treba doda\u0165, \u017ee t\u00e1to hypot\u00e9za e\u0161te nem\u00e1 definit\u00edvne potvrdenie. Vedci zatia\u013e analyzovali len obmedzen\u00fd po\u010det neandert\u00e1lskych gen\u00f3mov, tak\u017ee obraz nemus\u00ed by\u0165 \u00fapln\u00fd.<\/p>\n

\u201eSt\u00e1le nevieme, \u010di jednostrann\u00fd tok g\u00e9nov skuto\u010dne existoval, alebo len nem\u00e1me dostatok d\u00e1t,\u201c uzatv\u00e1ra spoluautorka \u0161t\u00fadie, Lucile Cr\u00e9t\u00e9.<\/p>\n

Aj tak v\u0161ak tento poh\u013ead men\u00ed sp\u00f4sob, ak\u00fdm sa na ich z\u00e1nik pozer\u00e1me. Namiesto jednoduch\u00e9ho pr\u00edbehu o v\u00ed\u0165azstve jedn\u00e9ho druhu nad druh\u00fdm pon\u00faka zlo\u017eitej\u0161\u00ed scen\u00e1r, v ktorom zohr\u00e1va hlavn\u00fa \u00falohu kontakt, mie\u0161anie a postupn\u00e1 zmena popul\u00e1cie.<\/p>\n


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