A cikin Amurka, a karon farko cloned ferrets na hallaka

Anonim

Elizabeth Ann kwafar halittar dabba ce, wanda ya mutu sama da shekaru 30 da suka gabata.

A cikin Amurka, a karon farko cloned ferrets na hallaka 9360_1

An haifi Chore na kafaffun kafaffiyar baki da aka haife shi a ranar 10 ga Disamba, 2020, an ƙaddamar da shi ga jama'a bayan watanni biyu. Wannan shi ne farkon nasarar da ke cikin bacewar dabbobi a Amurka, aka ceta cikin sabis na kare kifayen kifaye da namun daji na kasar.

Masu binciken suna tsammanin Elizabeth Ann zai taimaka wajen kawo bambancin halittar zurfin cikin yawan baƙar fata ferrous ferrets. Dukkanin mutanen zamani na wannan nau'in suna faruwa ne kawai daga ferrets bakwai, wanda ke sa su zama mai saukin kamuwa da cuta da ƙwararrun masani, suna iyakance ikon a cikin daji da rage haihuwa.

An taɓa ɗaukar Ferts Ferrets da aka ƙayyade halittun, amma a cikin 1981, mai mallakar ranch a cikin Wyoming ya sami ƙananan yawan jama'a a ƙasarsa. Wannan ya yarda da masu kare dabi'a don fara shirye-shiryen kiwo a cikin bauta.

Will zauren, ferred ferret, kama tsakanin na ƙarshen, bai sami zuriya ba kuma bai shigar da adadin bakwai "progenoor" na jama'a. Bayan mutuwar dabba a 1988, an adana kayan asalin na Zoo na duniya Cryobank a San Diego. Kwayoyin Willi sun zama tushen cloning Elizabeth Ann.

Nazarin ya nuna cewa nazarin Gwargwadon yana da ƙarin bambancin sau uku fiye da waɗanda suke rayuwa a yanzu. Sakamakon haka, idan Alisabatu An kawo zuriya, zai iya samar da bambancin halittu na musamman.

Masana kimiyya suna ci gaba da saka idanu a hankali game da Elizabeth Ann da wasu fasali na ci gaba. Clone da mahaifiyarta mashahuri suna kunshe daban da sauran ferrets bakar fata. A nan gaba, bayyanar da wani sabon salo mutum ne mai yiwuwa, namiji. Nazarin masu zuwa zai ba da damar tantance lafiyar da amincin dabbobi a gaban kowane daga cikinsu ya haɗu da yawan jama'a.

A cewar farfadowa da dawowa, cikin zaman talakawa yanzu suna zaune ne daga 250 zuwa 350 ferrets, da kuma wani 300 - a wuraren reinduction a cikin daji. Wani aiki don cloning na baki-sanda ferret ya fara ne a shekara ta 2013.

# Dabbobi # labarai # cloning

Tushe

Kara karantawa