Basal Yammacin Afirka

**Basal Yammacin Afirka** shine hasashe na zuriya   wanda ba ya wanzu. 

## Tarihi
Yin amfani da Yammacin Afirka (misali, Esan na Najeriya, Mende na Saliyo, Gambian yamma ), bambance-bambancen sa na farko na zamani ko na zamani mutane, ƙidaya a kusa da 25,000 ko tsakanin 23,000 da 27,000, daga ko dai na karshe na kowa kakannin San mutane da duk sauran zamani mutane, ko kuma mutane sun faru a tsakanin mutane da Neander. 1,020,000 BP da 360,000 BP.  Basal Yammacin Afirka ba su rabu ba kafin Neanderthals ya rabu da mutanen zamani.  Tun kafin 300,000 BP zuwa 200,000 BP, lokacin da kakannin San na zamani suka rabu da sauran mutane na zamani, ƙungiyar da za ta rabu da farko daga mutanen zamani na iya zama Basal West Africa. 

Tsakanin 124,000 BP da 0 BP, 2% - 19% na kwayoyin halitta na iya shiga cikin kakannin mutanen yammacin Afirka na zamani a sakamakon hadewa da wannan yawan ɗan adam .  Mutanen yammacin Afirka na zamani (misali, Yarbawan Ibadan, Najeriya, Mende na Saliyo) na iya samun zuriya daga wannan zuriyar sakamakon zuriyarsu daga Basal West Africa.   Hakanan wannan binciken ya nuna cewa aƙalla ɓangare na wannan admixture na archaic shima yana cikin Eurasians / waɗanda ba 'yan Afirka ba, da kuma cewa taron admixture ko abubuwan da suka faru ya fito daga 0 zuwa 124 ka BP, wanda ya haɗa da lokacin kafin ƙaura daga Afirka da kuma kafin rarrabuwar Afirka / Eurasian (don haka ya shafi wani ɓangare na kakannin kakannin Afirka da Euras / Afirka).    Chen et al. (2020) ya gano cewa mutanen Afirka suna da zuriyar Neanderthal fiye da yadda ake tsammani a baya. An tantance samfuran Afirka 2,504 daga ko'ina cikin Afirka kuma an gwada su akan zuriyar Neanderthal. Duk samfuran Afirka sun nuna shaida ga ƙananan zuriyar Neanderthal, amma koyaushe a ƙananan matakan fiye da yadda aka gani a cikin Eurasia. 

## Mafarauta na Yammacin Afirka, Khoisan, da Taforalts
Yayin da mafi ƙarancin ƙirar ƙira (ba tare da Basal Yammacin Afirka ba) don zuriyar Shum Laka masu neman abinci ya ƙunshi tsoffin Taforalts daga al'adun Iberomaurusian da mutanen Yammacin Afirka na zamani, a tsakanin sauran nau'ikan ƙirar ƙira, ɗayan ya tsara zuriyar Shum Laka masu kiwon Shum Laka a matsayin 65% Basal West Africa da 35% na yammacin Afirka ta Tsakiya .  Duk da haka, akwai rashin zuriyar Basal na yammacin Afirka a cikin mafarauta na zamani na Kamaru. 

Mutanen kudancin Afirka (misali, Khoisan ), waɗanda suka fi kusanci ga zuriyar Afirka ta Gabas, sun fi nisa a zuriyar mutanen yammacin Afirka.   Yayin da ake gwagwarmaya da tsarin da ke tallafawa 'yan Afirka ta Kudu a matsayin rukuni na farko don rabuwa da mutane na zamani, Basal West Africans, a matsayin jinsin hasashe, sun goyi bayan nau'i biyu na daidaitattun daidaito - ƙungiyar basal na farko daga Gabashin Afirka, wanda ya kasance wani ɓangare na tsohuwar tsarin kwayoyin halitta a Afirka, wani ɓangare ne na kakannin zamani na zamani na yammacin Afirka na zamani (misali, Yoruba, Mende) ko Yarbawa na zamani (misali, Yarbanci, Mende) ko Yarbawa na zamani, Mened Admix na Yammacin Afirka. Sakamakon ƙungiyoyin basal masu ƙaura daga sassa daban-daban na Afirka (watau Kudu maso Gabashin Afirka, Yammacin Afirka ).  

Baya ga samun kamanceceniya da ragowar zuriyar Afirka ta Kudu da ke kudu da hamadar Sahara (misali, zuriyar Basal ta Yammacin Afirka da aka raba tsakanin mutanen Yarbawa da Mende),   DNA na Afirka ta Kudu a cikin Taforalts na al'adun Iberomaurusian na iya zama mafi wakilcin mutanen yammacin Afirka na zamani (misali, Yarbawa). 

## Zuriya
Yarabawa da Mende sun fito ne daga Basal Afirka ta Yamma da kuma wasu kakanni na gabacin Afirka ta Gabas da waɗanda ba Afirka ba, wanda ke nuni da ƙaura daga Gabashin Afirka. Yarabawa suna da ƙarancin zuriya daga Basal Afirka ta Yamma fiye da mutanen Mende, waɗanda ke da yawan zuriya. Musamman ma, Yarbawa suna da kashi 9% na asalin Basal na Afirka ta Yamma kuma mutanen Mende suna da kashi 13% na Basal na yammacin Afirka.

## Magana