Sachedwa chifuwa? Mwina vuto la majini wanu Neanderthal

Ngati inu kupewa maluwa akutchire, zipatso, chocolate kapena mtedza chifukwa thupi lawo siligwirizana, ndiye mlandu wanu Neanderthal makolo, kapena kani, majini awo.

Kodi tili Neanderthal majini?

Amadziwika kuti akalewa ndi Cro-Magnons denisovtsy (makolo a anthu amakono) - ndi mitundu atatu osiyana. Nanga lero, anthu ena amaoneka kuti mwina Neanderthal kapena Denisovskoe majini?

The coexistence mitundu yosiyana iyi sunakhalitse kwambiri, koma zokwanira kukhalira pamodzi mu madera chomwecho. Kuwonjezera nkhondo ndi kusamvana nkhani ya mabanja wosanganiza ndi Ana awo anali hybrids - onyamula matupi athu monga munthu, ndi ena. Pambuyo pa kubwera kwa Cro-Magnon ndi Neanderthal Denisovskoe anthu udzatha posachedwapa ku nkhope ya dziko lapansi, kusiya mwamuna masiku ano 4% ya chibadwa chawo.

ubwenzi zimene tinatengera chibadwa cha chifuwa?

Ziwengo - zimachitika kwa chitetezo cha m'thupi zikuchitika. Ngati muli ndi chifuwa, sizitanthauza kuti muli ndi chitetezo ofooka, m'malo mwake. Izi chiwerengero chochepa cha matupi athu, inu tinalandira kwa kholo Neanderthal, anachita mphamvu yoteteza thupi lanu ndi maso kwambiri komanso wotchera chiwawa. Choncho, amapita mavairasi osati ndi matenda, komanso vuto pang'ono ngati mungu ndi popula kufwanyulira.

Munthu aliyense a mtundu Caucasus tinalandira kuchokera 1 mpaka 6% ya matupi a Neanderthal makolo. N'chifukwa chiyani si matupi awo sagwirizana anachita konse? Akatswiri a zachikhalidwe ndi geneticists asonyeza kuti Neanderthal munthu mayankho m'thupi yapangidwa bwino kwambiri kuposa Cro-Magnons. Neanderthal majini tinatengera anthu amakono, zotsatira kwambiri pa zolandilira Dipo ngati, amene kulamulira dongosolo titadziwa m'thupi ndipo thupi Poyankha ma zikuchitika. Choncho, ndi apamwamba kuchuluka timabadwa matupi athu, zazikulu mwayi wa thupi lawo siligwirizana.

Modern kafukufuku majini

Mu magazini aposachedwapa a Journal American of Human chibadwa awiri palokha ndipo zifukwa maphunziro wina ndi mnzake kuti afike pomvetsetsa yemweyo: kwa Neanderthal ndi Denisovskoe majini ambiri mwamphamvu akuwonetseredwa mu chitetezo cha m'thupi.

Dr. Michael Dannemann wakhala kuphunzira zotsatira za zinthu zinatha ya DNA munthu. Iye anazindikira kuti maselo Dipo-ngati ali kwambiri anakhudzidwa ndi allele a matupi a anthu akalewa. Malinga ndi kafukufuku, 11 mpaka 51% ya anthu amene simuli mtundu African, ndi allele mmodzi wa Neanderthal. Ukulu wa anthu imasiyana malingana ndi mtundu wake.

Kafukufuku wachiwiri imachitika Dr. Luis Quintana-Mursi. Kuphunzira zolandilira Dipo-ngati anali ndi mbali chabe ya ntchito yake, zomwe cholinga chake - kuganizira zamoyo imene imachititsa udindo dongosolo anthu m'thupi. Malinga ndi iye, koposa zonse, chitetezo cha m'thupi lasintha zaka okwana 13,000 mbuyomu - nthawi imene anthu pang'onopang'ono kusintha njira ya chakudya, amayenda kusaka ndi kusonkhanitsa kwa ulimi ndi nyama husbandry.